Kenyon & Kenyon faces sanctions, including the possibility of removal from a case, for alleged witness intimidation in a high-stakes federal patent case involving the Massachusetts Institute of Technology, ImClone Systems Inc. and Repligen Corp.

The case, MIT v. ImClone Systems Inc., No. 04-10884 (MA), involves potential damages of hundreds of millions of dollars if New York-based ImClone is found to have infringed a cell line patent assigned to MIT and licensed to Repligen.