TL;DR: A convertible note is a short-term loan that converts into equity when your next round triggers it. Convertible note agreement drafting decides the principal, the interest, the maturity date, the valuation cap, the discount, and the conversion triggers. These clauses control your dilution and your risk.
Quick overview: This guide walks through what a convertible note agreement is, the clauses that drafting must get right, what changes when the company is based in India, the mistakes founders most often make, and whether you genuinely need a lawyer to draft one. It is written for early-stage founders, with a dedicated India section, and ends with answers to the questions founders ask most.
There is a moment many founders only experience once. They raised a convertible note 18 months ago, expecting to close a Series A inside a year. The product is doing well, the market shifted, the round took longer than planned, and now the maturity date is six weeks away with no priced round signed. The note investor is asking what happens next. The agreement they signed quickly back then is now the document that controls every option in front of them.
This is the part of fundraising that does not get talked about enough. Convertible note agreement drafting is treated as a quick technical step because the instrument itself looks simple. It is not simple. The clauses inside it decide how much you give away, how much time you have, and what happens when reality does not match the plan. Below is what every clause does, what changes in India, and where founders most commonly get hurt.
What Is a Convertible Note Agreement?
A convertible note agreement is the contract for a short-term loan that converts into equity when a defined event occurs, usually a qualified priced round. Until conversion, it is debt. After conversion, it is equity. The agreement governs every economic and risk consequence in between, including how much equity the investor receives and what happens if conversion never triggers.
As one founder-focused explainer on convertible notes sets out, the instrument typically includes a valuation cap, a discount rate, an interest rate, and a maturity date, and each of those does specific work in the drafting. The differences between a convertible note and a SAFE matter at the drafting stage too, so if you are still weighing the two, our piece on how a SAFE and a convertible note compare is worth reading first.
Why the Drafting Is What Actually Matters
The agreement reads short. It behaves long. That is the gap that catches founders out.
A convertible note defers the hard question (what is the company worth) to a future event. It does not defer the consequences of the terms you wrote down today. The interest compounds whether you are paying attention or not. The maturity date arrives whether or not your fundraise is on schedule. The valuation cap locks in the upper bound of your dilution before you have any idea what the priced round will look like.
A well-drafted note gives you room. A poorly drafted one closes options you did not realise you needed. The mechanics of this are similar to what we covered in our SAFE note review guide, but a convertible note carries something a SAFE does not: a hard maturity date with debt consequences. That changes the drafting calculus in important ways.
The Core Clauses Every Convertible Note Agreement Must Get Right
A convertible note agreement comes down to a small number of clauses doing most of the heavy lifting. Get these right and the instrument is a clean, fast way to raise capital. Get them wrong and the note can take more equity, or take it sooner, than you intended.
Principal amount and parties
The clause that names the company, the investor, the loan amount, and the date. Straightforward, but worth confirming. Errors here, or vague identification of the parties, create problems later, especially in India where the issuing entity must be a DPIIT-recognised private limited company.
Interest rate
Convertible notes accrue interest, typically between 4 and 8 percent annually. The interest is not paid in cash. It accumulates on the principal and converts into equity along with it. That sounds harmless until you do the math.
As analysis of how interest stacks on conversion shows, a $500,000 note at 8 percent annual interest converts to $540,000 after 12 months and $583,200 after 18 months. On a $5 million cap, 18 months of accrued interest can add over 1.5 percentage points of additional dilution. It is not catastrophic on its own. It is meaningful when added to everything else you are already giving away.
Maturity date
This is the clause founders underestimate the most, and the one that bites hardest.
A convertible note typically matures between 18 and 24 months after issue. If you have not triggered conversion through a qualified financing by then, the principal plus accrued interest becomes due. As a guide for non-technical founders explains, this leaves you with three options: repay the cash (impossible for most pre-revenue startups), negotiate an extension (subject to the investor’s goodwill), or trigger a default-style conversion at terms that usually favour the investor.
The drafting fix is straightforward: pick a maturity date that gives you 6 to 12 months of buffer beyond your projected Series A timeline, not a date that assumes the round closes on schedule.
Valuation cap
The valuation cap sets the maximum company valuation at which the note converts. A lower cap means the investor converts at a lower price and gets more shares. A higher cap protects the founders. The cap is one of the two main levers that decide the investor’s eventual ownership stake.
Discount rate
The discount lets the investor convert at a price below what new investors pay in the priced round. Typical discounts run between 10 and 25 percent. When a note carries both a cap and a discount, most well-drafted notes use whichever produces the better price for the investor, meaning the cap binds in a strong round and the discount binds in a weaker one. The drafting should be explicit about which applies, not silent.
Conversion triggers
The events that turn the loan into equity. The standard trigger is a qualified financing, defined as a priced equity round above a threshold amount. Other common triggers include change of control (an acquisition before conversion) and the maturity date itself.
Each trigger needs its own conversion mechanics. What happens on a change of control? Does the investor get a cash multiple, or do they convert? What happens on maturity if no priced round has closed? A note that is silent on these scenarios forces an awkward negotiation when one of them actually arrives.
Pro-rata rights and MFN clause
Pro-rata rights give the investor the option to invest in future rounds to maintain their ownership percentage. The most favoured nation (MFN) clause lets an investor upgrade their terms if a later note is issued on more favourable terms.
Both are common, both are negotiable, and both deserve attention. As we explained in our SAFE note review guide, MFN clauses can pull better terms back retroactively across the stack, which compounds dilution in ways founders rarely model.
Convertible Note Drafting in India: The Compliance Layer You Cannot Skip
In India, drafting a convertible note is not just a commercial exercise. It is a compliance exercise. The agreement has to satisfy specific requirements under the Companies Act 2013 and FEMA rules, and missing them invalidates the carve-out that makes the instrument workable in the first place.
The conditions are clear. As a detailed analysis of the legal framework explains, a convertible note in India is defined under the Companies (Acceptance of Deposits) Rules, 2014 as an instrument evidencing receipt of money initially as debt, repayable at the holder’s option or convertible into equity on specified events. To qualify under the carve-out (rather than being treated as a regulated deposit), the issuer must be DPIIT-recognised as a startup, the minimum amount per investor must be ₹25 lakh in a single tranche, and the note must be converted or repaid within 10 years of issue.
When foreign investors are involved, the layer thickens. According to guidance on FEMA reporting for foreign-funded convertible notes, the company must complete CN filings within 30 days of issuance through the RBI’s FIRMS portal, with the FIRC, KYC of the investor, and DPIIT certificate. The company must also operate in a sector where 100 percent FDI is allowed under the automatic route, or obtain prior government approval.
Two practical points the drafting must address head-on. First, splitting a single foreign investor’s cheque to dodge the ₹25 lakh single-tranche rule does not work and creates real compliance exposure. Second, leaving the conversion pricing open-ended is not allowed. As one practical India guide notes, you need a formula at issue and fair-value compliance at conversion for non-resident holders.
This is why an India convertible note drafted by lawyers familiar with both Companies Act and FEMA requirements looks different from a US Delaware-corp template. The same drafting that works in California will not pass Indian regulatory review, and copy-pasting a foreign template is one of the more common ways Indian rounds end up needing emergency restructuring later.
The Drafting Mistakes Founders Make Most Often
Most convertible note disputes do not come from bad-faith investors. They come from drafting decisions that looked harmless at the time.
The biggest pattern is the maturity mismatch. As one breakdown of common convertible note traps puts it, if you believe you will raise a Series A in 18 months and you take a note with an 18-month maturity, you are playing with fire. A single month of delay turns a healthy fundraise into a debt event. The fix is to push for a maturity that runs 6 to 12 months beyond your projected priced-round close, not exactly to it.
Other patterns that come up often: stacking multiple notes with different caps and discounts without modelling the cumulative dilution, accepting full ratchet anti-dilution clauses where weighted average is the fair market standard, agreeing to guaranteed returns or cash-interest payments that effectively turn the instrument into debt rather than deferred equity, and silent or unfavourable conversion mechanics if no qualified financing closes by maturity. These are exactly the kinds of provisions we cover in our piece on the clauses that quietly slash a startup’s valuation.
A pattern we see: A founder issues a 24-month convertible note expecting to close a Series A by month 15. The market shifts, the round slips to month 22, and the maturity is now four weeks away. The investor agrees to extend, but only on tighter terms, including a lower cap and an added pro-rata right. What started as a clean note becomes a renegotiation under pressure. A maturity date set with a 9-month buffer would have avoided the entire situation.
Do You Need a Lawyer to Draft Your Convertible Note?
A convertible note does not legally require a lawyer to be valid. But the agreement is more complex than a SAFE, the consequences are harder to reverse, and the mistakes are more expensive. For a first issue, for any round involving foreign investors, or where the structure is anything other than vanilla, professional drafting is strongly advisable.
The case is straightforward. As one US startup law firm puts it, the term sheet sets the expectations that drive the final legal documents and directly affects founder dilution, financial runway, and conversion economics. Treating drafting as a clerical step after the term sheet is signed misses the point that the term sheet does not anticipate every clause that will appear in the final agreement. The clauses that get added between term sheet and signature, particularly around conversion mechanics, anti-dilution, and default behaviour, are where professional drafting earns its keep.
In India specifically, where the agreement has to satisfy Companies Act and FEMA conditions to qualify for the convertible note carve-out at all, drafting is not optional. A note that misses a compliance condition is not a convertible note. It is a deposit, with all the regulatory consequences that come with that re-characterisation.
If you are working through this for a specific round, our contract negotiation lawyer guide for startups explains the wider case for getting professional support before, not after, the documents are signed.
What a Professional Convertible Note Drafting Engagement Looks Like
A good drafting engagement starts at the term sheet stage and runs through to the post-issue filings. The lawyer aligns the term sheet with the legal document so nothing is renegotiated in the drafting itself. They model the dilution under realistic scenarios so you see the consequences of the cap, discount, interest, and maturity in numbers, not abstractions. They draft the conversion mechanics for every realistic trigger, not just the qualified financing. They check any side letter, because side letters often carry the terms that matter most. And in India, they handle the board and shareholder approvals, the CN filings with the RBI, and the Companies Act paperwork that the carve-out depends on.
That combination, commercial modelling plus jurisdiction-specific compliance plus plain-English explanation, is what separates real convertible note drafting from a templated fill-in exercise.
Conclusion
A convertible note is a short, fast instrument with long, slow consequences. Three things are worth holding onto. First, the clauses that decide your outcome are the ones founders read fastest, particularly the maturity date and the interaction between cap and discount. Second, in India, the drafting is also a compliance exercise, and missing a condition can re-characterise the instrument and create real exposure. Third, the cheapest time to fix a term is before you sign it.
If you are issuing a convertible note, or being offered one, get the drafting handled before you commit. My Legal Pal drafts and reviews convertible note agreements for founders in India and internationally, models your dilution, and makes sure the document satisfies both the commercial terms and the compliance conditions that apply. You can see how our online contract review and drafting for startups works, or visit MyLegalPal.com to get your convertible note drafted.
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Frequently Asked Questions
What is a convertible note agreement?
A convertible note agreement is the contract for a short-term loan that converts into equity when a defined event occurs, usually a priced equity round. It defers the question of the company’s valuation to that future event while fixing the economic terms (cap, discount, interest, maturity) today. The agreement governs how much equity the investor receives and what happens if conversion never triggers.
How is a convertible note different from a SAFE?
The most important difference is debt. A convertible note is a loan with a maturity date and accruing interest. If conversion has not triggered by maturity, the principal plus interest is due. A SAFE has no maturity date, no interest, and no repayment obligation, so it cannot create a debt event. Convertible notes are usually preferred when investors want more downside protection, while SAFEs are preferred when founders want maximum flexibility.
What is a typical interest rate and maturity for a convertible note?
Interest rates typically run between 4 and 8 percent annually, with around 5 to 7 percent as the common median. Maturity dates usually fall between 18 and 24 months, though founders should aim for a maturity that runs 6 to 12 months beyond their projected next round close, not exactly to it, to avoid a debt event if the round slips.
Can a startup issue a convertible note in India?
Yes, but only if it is recognised by DPIIT as a startup, the minimum investment per investor is at least ₹25 lakh in a single tranche, and the note converts or is repaid within 10 years. Foreign investments also require FEMA compliance, including CN filings with the RBI within 30 days through the FIRMS portal. Missing these conditions can cause the note to be re-characterised as a regulated deposit.
Do I need a lawyer to draft a convertible note agreement?
Not legally, but in practice yes. The agreement is more complex than a SAFE, the consequences are harder to reverse. For any round of meaningful size, foreign investor involvement, or unusual structure, professional drafting almost always costs far less than the dilution or compliance exposure of getting it wrong.
