California Rule 4.2 prohibits a lawyer from communicating directly with a represented party without consent, but in the startup context the more relevant rule is Rule 1.7, which prohibits concurrent representation of clients with directly adverse interests without informed written consent. When a VC-referred law firm simultaneously represents the company and maintains ongoing relationships with the investor, Rule 1.7 requires full disclosure and a conflict waiver — which founders often sign without understanding its implications.
Rule 4.2 is the no-contact rule: it prohibits communication about the matter with a represented party without consent. Its function in negotiations is to ensure that each party communicates through counsel rather than being subjected to direct pressure from the opposing party's lawyer. Rule 1.7 is the conflict of interest rule: it prohibits a lawyer from representing a client if the representation involves a concurrent conflict of interest — defined as a situation where representation of one client is directly adverse to another client, or where there is a significant risk that the representation will be materially limited by the lawyer's responsibilities to another client. The standard Silicon Valley situation involves both rules simultaneously. When an institutional investor's preferred law firm represents a startup on a financing round in which that same investor is participating, the firm has a concurrent client conflict: it represents both the company (and functionally the founders) in the transaction and has ongoing obligations to the institutional investor. The firm manages this conflict through disclosure and consent — specifically, through the advance conflict waiver in the engagement letter. But consent is only meaningful if the consenting party understands what they are consenting to. Most founders who sign advance waivers understand they are engaging a law firm. They do not understand that they may be consenting to that firm's continued representation of the investor against them in future matters arising from the same transaction ecosystem. The California Rules permit advance waivers only with informed consent — a standard that requires more than a signature on a document that was handed to you at the beginning of a financing.
Law firms that represent venture funds in their formation and investment activities have a powerful economic incentive to preserve those relationships. Fund formation engagements are large, recurring, and predictable revenue for law firms. When that same firm represents a startup backed by its fund clients, the firm's loyalty is structurally divided — and the financial consequence of displeasing the fund client is far greater than losing any single startup engagement.
To understand the structural conflict, you need to understand the revenue architecture of a major Silicon Valley law firm. Fund formation work — drafting the limited partnership agreement, the management company structure, the carried interest arrangements, the side letters for large LP investors — is lucrative, complex, and generates a multi-year relationship between the firm and the fund management team. A fund that uses one firm for its formation documents will typically return to that firm for portfolio company work: referring early-stage companies in its portfolio to the firm for incorporation, financing documentation, stock plan administration, and early M&A. The cumulative economic value of a major VC fund's relationship with a single preferred law firm can be several million dollars per year across the fund's portfolio. A single startup's legal engagement generates a fraction of that. This economic reality does not mean that the individual attorneys at the firm are acting in bad faith. It means that the institution as a whole — its incentive structure, its partner compensation, its client development priorities — is organized around the institutional relationship rather than any individual startup engagement. When there is a conflict between the investor's preferences and a founder's interests, the institutional pressure on the firm is toward the institutional client. The firm will typically manage this through disclosure and Chinese walls, but disclosure is only as useful as the recipient's ability to understand and act on it — which, for most first-time founders, is limited.
Founders should read conflict waivers carefully for language that consents to the firm representing adverse parties in future matters, including transactions involving the company itself. Waivers that cover 'substantially related' matters or that extend consent to the firm's representation of investors in future financings involving the company are particularly broad. Any waiver that removes the company's ability to disqualify the firm in future disputes should be negotiated or rejected.
Advance conflict waivers in legal engagement letters follow predictable patterns in the Silicon Valley market. The key provisions to look for are: (1) language consenting to the firm's representation of other clients, including the investor or its affiliates, in matters that may be adverse to the company; (2) language consenting to the firm's right to continue representing those other clients even if the company's and the investor's interests become adverse after the engagement begins; and (3) language limiting the firm's confidentiality obligations to the company in certain circumstances — for example, where the firm's obligations to another client create a conflict that cannot be waived. These provisions are typically buried in standard engagement letter language that most clients sign without review. The California Rules require that waivers be "informed" — meaning the client has sufficient information to understand the material risks and reasonable alternatives. What this means in practice is that a founder who signed a waiver without reading it, or who read it but did not understand its implications, may have a colorable argument that the waiver was not informed consent within the meaning of the Rules. That argument, however, is most useful in a State Bar proceeding — which is not where founders want to be resolving their legal representation problems. The practical protection is to read the engagement letter before signing, ask specific questions about what the advance waiver covers, and make a deliberate choice about whether to proceed with a firm whose institutional relationships include your investor.
The conflict between VC-linked counsel and founders becomes acute in down rounds where investors are proposing terms that dilute founder economics, board disputes where the company's counsel is advising directors on founder-adverse actions, acquisition negotiations where the acquirer is an investor client of the firm, and founder separation agreements where the company's interests diverge from the departing founder's.
Investor-recommended counsel creates its most significant practical problems at the inflection points where company and investor interests are most likely to diverge: down rounds, restructurings, acquisitions, and founder disputes. In a down round negotiation, the existing preferred stockholders (your investors) are negotiating conversion ratios and anti-dilution provisions that directly affect how much common stock is left after the transaction closes. If the company's counsel has a fund formation relationship with the lead investor, the independence of their advice on anti-dilution mechanics — which can dramatically affect founder and employee ownership — is structurally compromised. In an acquisition, the purchase price allocation between preferred and common, the treatment of option acceleration, the scope of representations and warranties, and the survival of indemnification obligations all involve trade-offs where investor interests and common stockholder interests diverge. A firm that has worked with the acquiring party or the investor across multiple transactions is not the firm whose independent judgment founders should be relying on in that negotiation. In a founder pushout, the conflict is clearest: the company's counsel represents the board, the board has decided to remove the founder, and the founder needs independent representation. If the founder has been relying on investor-recommended company counsel as their personal attorney, they discover at the worst possible moment that they never had independent counsel at all. For the specific legal and negotiating dynamics of founder disputes, see the companion piece on co-founder pushouts, which covers how to retain independent counsel and what to negotiate before the termination letter arrives.
Before hiring counsel in any VC-backed transaction, founders should ask the law firm directly whether it represents any of the participating investors, request a copy of the conflict waiver they will be asked to sign, and have that waiver reviewed by independent personal counsel before signing. For significant transactions — Series A and beyond — founders should consider whether independent counsel not connected to any investor relationship provides better protection.
The practical framework starts with a simple discipline: treat the investor's law firm recommendation as a reference, not a direction. Ask whether the recommended firm has any fund formation or ongoing portfolio work relationship with your investor. That question is not impolite — it is the question that the California Rules assume you will be asking before you sign an advance conflict waiver. If the firm has an institutional relationship with the investor, evaluate whether the nature of the current transaction — and the likely nature of future transactions involving the same investor — creates a risk that the institutional relationship will influence the representation. For early-stage transactions with market terms, well-understood documents, and no foreseeable adversity, the practical risk may be low. For any transaction where the terms are being negotiated between you and the investor — including the conversion mechanics of a SAFE, the option pool shuffle in a priced round, or any governance rights being traded — having truly independent counsel is worth the additional cost. Independent means economically independent: a firm that does not have ongoing institutional work from your investor and whose business does not depend on referrals from your investor's portfolio. "The most important question you can ask about any law firm before you engage them," I tell founders, "is not what their hourly rate is or how many VC deals they've done. It is: when this transaction is over, who are your ongoing clients, and is my investor one of them?" The answer to that question tells you more about whose interests the firm is organized to serve than anything else.
Gurpreet's better question — ask this before you engage any counsel in a VC transaction: Before you engage any counsel in a VC transaction, ask this directly: if there is a later dispute related to this transaction involving this company and its shareholders — even one brought by the investor you have a relationship with — can you continue to represent us? That question cuts through everything. A lawyer who can answer yes, cleanly and specifically, with an explanation of how they would handle it, has told you something real about their structure and their independence. A lawyer who hedges, redirects, or gives you a non-answer has also told you something real. Ask it before you sign anything.
Gurpreet S. Bal is a Partner at Foley and Lardner LLP in Silicon Valley, where he advises startups, founders, and investors on SAFE financings, venture capital rounds, mergers and acquisitions, acquihires, and IPOs. He has represented clients in hundreds of transactions with aggregate deal value exceeding $60 billion across AI, semiconductors, fintech, and emerging technology. Prior to his career as a corporate lawyer and transaction advisor, he served with the U.S. Department of Justice and as an international and cross-border tax advisor at a Big 4 accounting firm.