The twice-monthly “Dear Ethics Lawyer” column is part of a training regimen of the Legal Ethics Project, authored by Mark Hinderks, former managing partner and counsel to an AmLaw 200 firm. Read More

Q: Dear Ethics Lawyer, My firm currently represents two sophisticated commercial parties: client A on tax matters and client B in environmental work. Our firm’s engagement letter with each contains a paragraph providing for an advance waiver of conflicts for matters that are unrelated to the engagement. A and B now desire to enter into an asset purchase/sale unrelated to any work done by our firm for either one. A has already secured different counsel. May our firm advise B in the transaction? Are there any additional requirements or disclosures that must be made?

Often, the issue with an advance waiver is whether adequate informed consent has occurred, i.e., did the client understand at the time of the agreement what future adversity might occur. The more sophisticated the client, the easier this test is to meet, and advance waivers for unrelated matters are generally enforced against sophisticated commercial parties like the ones in this question. For less sophisticated parties, it may be necessary in some circumstances to have discussed or identified the types of future matters that the waiver is designed to cover (or to do so now in the context of a new waiver). In addition, the lawyer must always remember to get a current waiver from the new client if necessary. Here both parties have provided advance waivers, so no additional step is necessary.