Mark Deiermann is a litigator whose practice primarily involves commercial and business disputes. He has extensive experience in unfair competition matters, particularly in connection with covenant not to compete, trade secret and employee unfair competition disputes.

Mr. Deiermann has prepared a 50-state survey of the laws regarding noncompetition agreements in the United States, and also assisted in the preparation of a similar compilation covering the United States and several European countries for the TechLaw Group. Mr. Deiermann has been involved in more than 60 cases involving noncompete/trade secrets disputes; many more noncompete/trade secrets disputes which were resolved without the need for litigation; counseling many "old" employers, former employees and/or "new" employers regarding the enforceability of noncompetition provisions; drafting noncompetition agreements, reviewing the enforceability of noncompetition provisions contained in sale of business agreements; and providing advice and guidance to other attorneys within the firm in connection with noncompete disputes they are handling, including matters being handled in the firm’s other offices.