KISS Note: A General Guide

Jump to Section

Quick Facts — KISS Note Lawyers

A KISS note (Keep It Simple Security) is a simplified investment structure resembling a convertible note and helps get capital faster than conventional methods. It is an agreement made between a company and an investor. The signing of the note begins with the investor investing money in the company and receiving the right to purchase shares in the future equity round.

500 Startups created the KISS convertible notes that were made publicly available for everyone. The notes were developed in response to the lack of any investor protection during new collaborations with startups. A KISS note is a conceptual agreement that works depending on the following factors:

  • The investor lends finances to a startup, and the loan accumulates the interest amount.
  • The investors can exercise their rights to convert the loan into equity if the company grows and becomes profitable.

The KISS convertible note is an efficient medium for investors for multiple reasons:

  • It defers the requirement to put any value on the early-stage or pre-revenue companies.
  • It allows the investor to convert the note into equity if certain conditions are met, such as the company raising a certain amount of financing.
  • It helps shield a company from unwanted outcomes that may happen because of an overhaul of the investor’s stake in it.

What Are the Significant Versions of a KISS Note?

Two significant versions of a KISS note include debt and equity.

  • Debt Version

    The debt version of the KISS note conducts the following functions:

    1. It assigns a specific interest rate and an associated maturity date.
    2. It allows the investor to convert the investment into a preferred stock after a particular date.
  • Equity Version

    The equity version of the KISS note conducts the following functions:

    1. It does not assign any specific interest or maturity date.
    2. The KISS note automatically converts the principal and interest into a preferred stock once the company raises at least $1 million in financing.

What Are the Features of a Kiss Note?

Here is a list of features related to the KISS note:

  • Identical Terms: All KISS convertible notes are based on the same terms and conditions. The agreements do not allow high-resolution financing at different valuation caps for the founders or investors.
  • MFN (Most Favored Nation) Clause: If the company offers a KISS note or convertible instrument with beneficial terms to another investor, the team has to offer the same to their first investor.
  • Control and Dividends: An investor does not have any management rights to receive dividends until the KISS note is converted into shares.
  • Accounting: A KISS note is not treated as debt on the financial statements of the investors or the company.

Why Should Investors Choose the KISS Note?

The KISS note provides simple and standard ‘open-source’ templates for investors to invest in early-stage companies. Investors use the KISS conceptual notes primarily because they bring simplicity and consistency to the investment processes while offering protection from potential risks.

Not only that but the KISS note offers a few more benefits to the investors that include the following:

  • It provides MFN clauses that allow investors to get securities on more favorable terms.
  • It also grants additional rights to all major investors interested in new ventures and collaborations.

What Do the Early-Stage Companies Get from the KISS Note?

During the initial fundraising round, KISS notes save time and expenses for the early-stage companies and their founders. Moreover, the agreements also provide a platform for investors to choose the startups to invest their finances. Here is a list of benefits that the founders of early-stage companies or startups can incur from the KISS note:

  • The note eliminates the requirement to negotiate terms with investors or pay hefty fees to attorneys to sign deals.
  • The KISS Notes are identical and do not leave space for any errors or discrepancies in the agreement terms and conditions.
  • The notes are identical series that sound appealing to the investors so that the founders can access the capital instantly.
Meet some lawyers on our platform

Heather B.

230 projects on CC
CC verified
View Profile

Stephen H.

5 projects on CC
CC verified
View Profile

Paul M.

37 projects on CC
CC verified
View Profile

Jorge R.

28 projects on CC
CC verified
View Profile

What Are the Things to Keep in Mind Before Signing A KISS Note?

Although the KISS note may be helpful for both the founders and the investors, a few things should be kept in mind before agreeing.

  • Attorney Review

    It is advised that the founders or the investors should not skip an attorney review before finalizing the KISS note. They should not pick any random open-source agreement and hand it off to the interested investor. The concerned parties should approach a professional lawyer well-versed in financing to review the document and explain the possible outcomes.

  • Unwanted Outcomes

    Every business organization is different, so the founders must ensure that they do not promise anything on the KISS Note that may lead to unwanted outcomes in the future. It may lead to massive losses or the investors backing off the deal.

  • Find Resources

    The founders must be sure whether the KISS note holds significance for their new venture before giving it the go-ahead for upcoming collaborations with investors. If confused, they can seek legal help from an attorney who can help them find the resources to make the best decisions. The process also helps ensure that the company is in the right place and on deadline with its obligations to the investors.

Key Terms Related to a KISS Note

Here is a list of key terms related to the KISS note:

  • Investor: An individual or organization who spends money on property, financial schemes, new ventures, etc.
  • Company: A commercial business dealing with different products or services.
  • Stock: The capital amount a company or corporation raises through the subscription or issue of shares.
  • Investment: The process of spending money to earn profit.
  • Simple Agreement for Future Equity (SAFE): An agreement that provides a future equity stake to the investor.
  • Principle: The original sum committed to the purchase of particular assets in business.
  • Asset: A resource that holds economic value to a company, individual, investor, or country with expectations for future benefits.

Conclusion

Investors and companies can seek help from the KISS note to outline the terms and conditions of their collaborations and deals. The best part about convertible notes is that they benefit both parties and help convert profits into preferable stocks. However, the KISS note is a comprehensive document that may be complex for investors or companies to understand. That is why it is advisable to seek legal help in finalizing the notes.

If you want to use KISS notes for investment purposes, visit Contracts Counsel now for the best legal assistance. Our professional attorneys are well-versed in financial matters and can help you with all your requirements related to convertible notes. Visit the official website and state your requirements for a project now!


ContractsCounsel is not a law firm, and this post should not be considered and does not contain legal advice. To ensure the information and advice in this post are correct, sufficient, and appropriate for your situation, please consult a licensed attorney. Also, using or accessing ContractsCounsel's site does not create an attorney-client relationship between you and ContractsCounsel.


Need help with a KISS Note?

Create a free project posting
Clients Rate Lawyers 4.9 Stars
based on 23,413 reviews

Meet some of our KISS Note Lawyers

Jason H. on ContractsCounsel
View Jason
4.9 (22)
Member Since:
March 5, 2023

Jason H.

Managing Attorney
Free Consultation
Dallas, Texas
25 Yrs Experience
Licensed in TX, VA
Regent University, School of Law

Jason has been providing legal insight and business expertise since 2001. He is admitted to both the Virginia Bar and the Texas State Bar, and also proud of his membership to the Fellowship of Ministers and Churches. Having served many people, companies and organizations with legal and business needs, his peers and clients know him to be a high-performing and skilled attorney who genuinely cares about his clients. In addition to being a trusted legal advisor, he is a keen business advisor for executive leadership and senior leadership teams on corporate legal and regulatory matters. His personal mission is to take a genuine interest in his clients, and serve as a primary resource to them.

Recent  ContractsCounsel Client  Review:
5.0

"Jason was outstanding! Professional and Proactive. I was very happy with the services he provided."

Eric H. on ContractsCounsel
View Eric
5.0 (6)
Member Since:
April 9, 2026

Eric H.

Partner
Free Consultation
Minneapolis, MN
25 Yrs Experience
Licensed in MN
University of Wisconsin

I help startups, growth-stage companies, and middle market businesses navigate their most important legal moments, from early fundraising rounds to complex M&A transactions. I work with founders, investors, executives and their ecosystem partners who want exceptional client service without the overhead of a large firm. Whether you are raising capital, planning an acquisition, negotiating complex commercial agreements, or need an experienced general counsel in your corner on a fractional basis, I bring big law and Fortune 500 expertise, at a fraction of their rates. I'm based in Minneapolis and work with clients across Minnesota and nationally.

Recent  ContractsCounsel Client  Review:
5.0

"Great Experience! Knowledgeable, Fast, and would use him 1000 times more."

Chaz G. on ContractsCounsel
View Chaz
5.0 (2)
Member Since:
April 15, 2026

Chaz G.

Business Lawyer
Free Consultation
Dallas, TX
13 Yrs Experience
Licensed in NY, TX
American University - Washington College of Law

As a former corporate attorney at one of the world's premier global law firms and former in-house counsel at Texas Instruments, a Fortune 500 technology leader, I bring big-firm expertise and corporate-level sophistication to entrepreneurs, startups, and small business owners who deserve the same quality legal support as the largest companies in the world. As a lawyer and startup founder with products currently being sold in national retail chains, I've spent my career at the intersection of complex business transactions, corporate law, and policy. I know how deals get done, where contracts go wrong, and how to protect businesses before problems arise. Now, I put that experience to work for founders and business owners who need practical, straightforward legal guidance without the intimidating price tag of a major law firm. Whether you're signing your first vendor contract, structuring a partnership, protecting your intellectual property, or navigating a business dispute, I translate the law into plain language so you can make confident decisions and focus on growing your business. What I bring to the table: - Complex commercial transactions experience at an AmLaw 100 firm - 7+ years as in-house counsel at a Fortune 500 company - Deep understanding of how businesses actually operate day-to-day - Flat-fee, transparent pricing with no billing surprises - Fast turnaround and direct communication If you're building something, I want to help you protect it.

Recent  ContractsCounsel Client  Review:
5.0

"Chaz was extremely helpful, thorough, and professional. I hired him for a cease and desist letter involving an unauthorized use of my company’s business identity, EIN, and credit. He took the time to review the documents carefully, explain the legal issues in plain English, and help me understand the strengths and challenges of my situation. What stood out most was how organized he was. He prepared a legal analysis memo before our call, walked me through the authority issues, and adjusted his approach after reviewing additional company documents. He was patient, clear, and never made me feel rushed, even though the situation involved several complicated details. The final work product was strong, detailed, and tailored to my specific facts rather than feeling like a generic template. I would definitely recommend Chaz to anyone who needs a knowledgeable attorney who communicates clearly and takes the time to understand the full picture."

Caroline N. on ContractsCounsel
View Caroline
5.0 (4)
Member Since:
April 18, 2026

Caroline N.

Attorney
Los Angeles County, California
4 Yrs Experience
Licensed in CA
Chapman Fowler School of Law

Caroline is a solo attorney who provides legal counsel with a management-first mindset, combining legal expertise with proactive policy development. Prior to starting her own practice, Caroline gained extensive legal experience as a litigator defending and advising employers of all sizes, ranging from a single business owner, to a small family-owned winery, and major, nationwide corporations. Caroline also has experience on the plaintiffs' side representing survivors of sexual abuse against school districts and churches. With her unique litigation background and expertise representing both plaintiffs and defendants, Caroline understands that legal compliance is only a piece of the puzzle for business success. She is committed to leading with compassion to provide a personalized, approachable service for each client. Having safeguarded companies against a variety of business and employment disputes, Caroline is focused on preventative risk management, helping owners reduce potential employment litigation that she has defended firsthand in court. Caroline is dedicated to helping entrepreneurs spend less time worried about liability and more time focusing on business growth. Based in Los Angeles County, she provides accessible, actionable legal solutions throughout Southern California. During her free time, Caroline enjoys yoga and serving her Los Angeles community. In 2025, she partnered with NLSLA to provide pro bono legal services to individuals impacted by the Eaton Fire. Currently, she serves on the board of directors of a nonprofit organization based in Los Angeles.

Recent  ContractsCounsel Client  Review:
5.0

"Caroline was fantastic to work with! She was thorough, responsive, and took the time to understand my business and what I actually needed. She explained her recommendations clearly, caught California-specific requirements I wasn’t aware of, and was very helpful with all of my follow-up questions. I feel much more confident using the final agreement with my clients and would absolutely work with her again. Highly recommend!"

Adam J. on ContractsCounsel
View Adam
5.0 (18)
Member Since:
April 17, 2026

Adam J.

Business Attorney
Free Consultation
Asheville, NC
18 Yrs Experience
Licensed in CA
University of Pennsylvania

I'm a California-licensed attorney with 18 years of experience helping everyone from Fortune 500 companies and venture-backed startups to individuals navigating real-life legal situations. I bring an high degree of emotional intelligence to every matter, and am also certified as both a coach and as a counselor. My career started at Fenwick & West, one of Silicon Valley's top law firms, where I worked alongside names like Google, Airbnb, Kleiner Perkins, and Sequoia Capital. From there I moved in - house at companies like Cloudflare, Autodesk, and Enphase - which gave me a practical, business-minded perspective that I bring to every client, no matter the size of the matter. Today I work with businesses and individuals alike. On the business side, that means commercial contracts, leases, startup corporate work, and serving as a fractional general counsel for companies that need a trusted legal partner without the overhead. On the personal side, I help individuals with employment matters, disputes, demand letters, contract review, and the kind of everyday legal situations where you just need someone knowledgeable in your corner. I'm direct, responsive, and I speak plain English — not legalese. Whether you're a founder closing your first deal or an individual facing a situation you've never navigated before, I'll give you the same level of attention and care.

Recent  ContractsCounsel Client  Review:
5.0

"I needed legal advice regarding ownership of solar panels after a bankruptcy and every attorney I spoke with stated they could not help me. Adam was the only one to step up and be an advocate for my family. He was extremely prompt with his communication and transparent with his fees. I never once felt like I was being ignored or having my concerns brushed aside. Adam listened and addressed every single one of my concerns in a professional manner. His knowledge with how solar companies work gave me the confidence to know I was going to achieve what I was looking for. I highly recommend Adam, I am so glad I hired him to represent me when nobody else would."

Kristen O. on ContractsCounsel
View Kristen
Member Since:
June 22, 2026

Kristen O.

General Counsel
Free Consultation
Minneapolis, MN
21 Yrs Experience
Licensed in MN
Mithcell Hamline School of Law

Fractional General Counsel with deep experience in contracts, employment, and operational compliance. I support companies as their day-to-day legal partner—handling agreements, managing risk, and advising leadership on practical business decisions. Whether you need a quick contract review or ongoing legal support, I provide clear, strategic guidance tailored to your business.

Fahad J. on ContractsCounsel
View Fahad
Member Since:
April 20, 2026

Fahad J.

Commercial Contracts and M&A Lawyer
Free Consultation
Los Angeles, California
11 Yrs Experience
Licensed in CA, TX
SMU Dedman School of Law, Magna Cum Laude (Attended on full ride, graduated Top 10%)

Fahad Juneja is a transactional attorney with over 10 years of experience, admitted in California and Texas. His practice covers M&A, commercial contracts, and corporate governance, including drafting and negotiating purchase agreements and related transaction documents, NDAs, collaboration agreements, service agreements, consulting agreements, and other commercial contracts. Fahad began his career in the private equity M&A group of a large law firm (Sidley), then moved in-house to Paramount Pictures, and later advised technology and manufacturing clients at a Bay Area boutique. He now maintains a solo practice, where he supports a primary client and advises fintech and other emerging companies on commercial, corporate, and strategic matters. Fahad's approach emphasizes efficient negotiation, thoughtful drafting, and practical risk allocation. He is available to support M&A transactions, ancillary transaction documents, contract drafting and review, and general corporate matters.

Find the best lawyer for your project

Browse Lawyers Now

Lawyer Reviews for KISS Note Projects

Promissory Note

5.0

"Everything ran smoothly."

Florida
Review
KISS Note
ContractsCounsel User

Intellectual Property

KISS Note

California

Asked on Aug 26, 2025

Can I legally use a KISS Note to protect my intellectual property?

I recently developed a new software application and I want to protect my intellectual property rights. I've heard about a KISS Note, which is a simplified form of a non-disclosure agreement, and I'm wondering if it would provide adequate legal protection for my software. I would like to know if using a KISS Note is a valid option to safeguard my intellectual property and if there are any limitations or considerations I should be aware of.

Randy M.

Answered Sep 5, 2025

You’re not the first to confuse a KISS Note with intellectual property protection, and you definitely won’t be the last. It’s a common mix-up in the startup world. But here’s the truth: A KISS Note has nothing to do with protecting your software. It’s a financing instrument created by 500 Startups, designed as an alternative to convertible notes and SAFEs for early-stage fundraising. It’s a way for investors to give you money now in exchange for equity later. It does not offer any legal protection for your code or ideas. So What Do You Actually Need to Protect Your IP? If you're building software in California, there are several key legal tools you’ll want to have in place. Start with the ones that offer immediate protection and work your way toward longer-term strategies. Always Start with NDAs If you're showing your software to anyone (whether it's a co-founder, a contractor, an investor, or a beta tester) you need a solid non-disclosure agreement in place before you share anything. It’s your first line of defense, especially if you want to preserve trade secret protection. Your NDA should spell out exactly what you consider confidential. This might include your source code, algorithms, user data, business plans, or any other proprietary information. The agreement should also state how long confidentiality lasts and what the other party can and cannot do with your information. One important note here: California law prohibits non-compete clauses under Business and Professions Code Section 16600. Do not include one in your NDA. It won't be enforceable. Instead, focus strictly on confidentiality and use limitations. Copyright is Automatic, but Registration Matters As soon as you write your code, it’s protected under federal copyright law. That protection applies to the actual expression (the specific code) not to your underlying ideas, functionality, or algorithms. Even though protection is automatic, registering with the U.S. Copyright Office gives you significant legal benefits. You can’t file a federal lawsuit without registration. And if your copyright is registered before infringement occurs, you may be eligible for statutory damages of up to $150,000 per work and recovery of attorney’s fees. The process usually costs between $65 and $85 and takes a few months. Trade Secrets Require Real Effort to Stay Protected If your software includes proprietary algorithms, confidential processes, or unique technical methods that provide a competitive edge, you may be eligible for trade secret protection under the California Uniform Trade Secrets Act. But here’s the catch. That protection only lasts as long as you actively protect the information. This includes limiting access to your source code, using secure development environments, marking documents as confidential, and having everyone involved sign NDAs. You need to treat your trade secrets like actual secrets if you want the law to do the same. Considering Patents? Proceed Carefully Software patents are complex, especially following the Supreme Court’s 2014 Alice decision. You can’t patent abstract ideas, mathematical formulas, or generic computer processes. Your software needs to solve a specific technical problem in a novel, non-obvious way or improve the functionality of a computer system itself. If you've developed something truly unique — like a new data compression algorithm, a better machine learning architecture, or a new way to optimize networking — a patent might be worth exploring. Just keep in mind that the process is expensive, often costing $10,000 to $15,000 with legal fees. It can also take several years. Many software companies choose to rely on trade secrets and copyrights instead. How to Put All of This Into Practice Begin with what you can implement right away. Create a strong NDA template and use it consistently. Register your copyright as soon as your codebase is developed enough to be meaningful. Protect your trade secrets by putting real technical and legal safeguards in place. Track your development process carefully. Version control, timestamps, and contributor logs can all serve as useful evidence in a legal dispute. If you’re working with employees or contractors in California, be especially cautious. The state has employee-friendly laws, so your contracts must clearly state that all work product belongs to your company and that all confidential information stays confidential. When Should You Talk to a Lawyer? Once you’re dealing with patents, investor negotiations, infringement threats, or user data privacy, it’s time to bring in professional legal help. These are complex areas, and the risks are too high to wing it.

Read 1 attorney answer>
See more legal questions…

Quick, user friendly and one of the better ways I've come across to get ahold of lawyers willing to take new clients.

View Trustpilot Review

Need help with a KISS Note?

Create a free project posting
Clients Rate Lawyers 4.9 Stars
based on 23,413 reviews
Financial lawyers by top cities
See All Financial Lawyers
KISS Note lawyers by city
See All KISS Note Lawyers

ContractsCounsel User

Recent Project:
Promissory Note
Location: Florida
Turnaround: Less than a week
Service: Contract Review
Doc Type: KISS Note
Page Count: 3
Number of Bids: 3
Bid Range: $465 - $1,250
User Feedback:
Everything ran smoothly.

Need help with a KISS Note?

Create a free project posting
Clients Rate Lawyers 4.9 Stars
based on 23,413 reviews

Want to speak to someone?

Get in touch below and we will schedule a time to connect!

Request a call

Find lawyers and attorneys by city