Air Products v. U.S. Commissioner of Patents, won summary judgment in the U.S. District Court for the District of Columbia against the U.S. Commissioner of Patents, resulting in reinstatement of the client's valuable patent applications, wrongfully stricken for alleged inequitable conduct by the client.

American National Can v. Continental PET Technologies, Patent infringement, represented patent owner in discovery and motion practice (D. Conn.) (injection blow molding).

Biopolymerengineering, Inc. et al. v. Biorigin, Patent infringement litigation (defendant), discovery and motion practice (N.D. Ill.) (beta glucan) (pending).

Colt Industries v. Index-Werke, Briefed patent infringement appeal in Federal Circuit (turning machines).

Dazey Corporation, Trade dress case, successfully defended against post-appeal proceedings by Presto Industries.

GlaxoSmithKline v. Torpharm, Warner-Lambert v. Torpharm, and Abbott v. Torpharm, Patent infringement litigation, discovery and motion practice (N.D. Ill.) (pharmaceuticals).

Heat-N-Glo v. Heatilator, won judgment for client Heatilator on the key patent claim and successfully settled all remaining claims in fireplace patent infringement and trade secret litigation in federal court in Des Moines after taking and defending extensive discovery and writing and arguing nine motions in a lengthy federal court hearing.

James River v. Hallmark Cards, Paper plate patent litigation (E.D. Wis.).

MCI v. AT&T, Telecommunications software patent infringement litigation (E.D. Pa.).

Mentor v. Inamed, McGhan Medical, and Cox-Uphoff, successfully resolved breast implant patent infringement litigation in Central District of California (Los Angeles), U.S. Bankruptcy Court for Central District of California (Santa Barbara) (received commendation from the Court for excellent litigation results and favorable settlement), Northern District of Texas (Dallas), two appeals to the Federal Circuit and a petition for certiorari in the U.S. Supreme Court.

Novamont, S.p.A., Patent infringement litigation regarding plastics, chemicals, and starch packaging compositions and processes, for Italian multinational chemical company.

Phillips Petroleum v. U.S. Steel and Shell Oil, in which Mr. Beem was a member of the team that won the Federal Circuit appeal affirming the trial court's judgment of patent infringement, culminating 30 years of litigation and interferences involving the Nobel prize-winning invention of crystalline polypropylene.

Portfolio Technologies, Inc. v. Church & Dwight Co., Inc. and Medtech Products, Ltd. and Intellx, Inc. , Patent infringement litigation (plaintiff), discovery and motion practice, trial (International Trade Commission), briefed appeal in Federal Circuit (male prophylactics) (pending).

Presto Industries v. Dazey Corporation, Design patent and trade dress litigation (N.D. Ill.).

Professional Partners v. Jamo USA, Defended against patent infringement litigation relating to audio speakers and mounts, U.S. District Court for the District of Minnesota.

Rite-Hite Corporation v. Serco Corporation, Four-week jury trial (N.D. Tex.) (jury found both parties’ patents valid and not infringed).

Torpharm v. Genpharm & Novopharm, Briefed and argued Federal Circuit appeal and prepared and filed petition for certiorari to U.S. Supreme Court.