1. a lawyer who shares responsibility for a case with one or more other lawyers
Usage: legal term; often used in formal court documents

1. to serve as cocounsel; to share legal representation of a case with another attorney
Usage: legal term; transitive or intransitive use

Examples

• The two attorneys agreed to cocounsel the defendant in the complex litigation.
• She was appointed as cocounsel on the high-profile case.
• The firm decided to cocounsel with a specialist in intellectual property law.
• Both cocounsel presented arguments during the trial.
• He will cocounsel with his senior partner on the appeal.
• The judge approved the cocounsel arrangement before the hearing began.