Building Effective Co-Counsel Relationships
How to set roles, communication, conflicts, confidentiality, and fee terms so co-counsel arrangements work well for lawyers and clients.
This article is general information for lawyers. It is not legal or ethics advice. Professional conduct rules differ by jurisdiction, so check your own state's rules and ethics opinions before acting.
Co-counsel arrangements let lawyers combine strengths, such as subject-matter experience and local admission. They work best when the details are agreed at the start.
Define roles early
Decide who leads strategy, who drafts, who appears, and who makes final decisions. Make sure the client understands who is doing what.
Put it in a co-counsel agreement
- Division of work and responsibility
- Fee division that meets Model Rule 1.5(e) and any state requirements, with the client's written consent
- Who holds the client file and how costs are advanced
- How the arrangement ends and how the client's choice of counsel is respected
One clear line to the client
Agree who communicates with the client and how both lawyers stay informed. Mixed messages damage trust quickly. Model Rule 1.4 requires keeping the client reasonably informed.
Conflicts on both sides
Both lawyers and firms should run conflicts before the engagement, and again when new parties appear.
Shared files and confidentiality
Use secure, agreed tools for sharing documents. Limit access to people working on the matter.
Deadlines and calendars
Decide who is responsible for docketing deadlines. Both lawyers should track critical dates.
Handling disagreements
Agree in advance how strategic disagreements will be resolved, and remember that the client makes the decisions reserved to clients under Model Rule 1.2.
Interested in attorney collaboration?
Learn how CounselKin approaches co-counsel, referrals, and potential project work with licensed U.S. attorneys.