Our highly experienced lawyers cover all aspects of intellectual property law.
Jan P. Weir
Jan P. Weir is a nationally recognized intellectual property attorney with a distinguished track record in high-stakes patent, antitrust, and complex civil litigation. Known for innovative legal analysis and precedent-shaping strategies, Jan P. Weir has represented Fortune 500 corporations, universities, and high-growth innovators in intellectual property disputes, patent prosecution, licensing, and opinion work before both U.S. and international patent authorities. Jan P. Weir is honored as one of California’s Top 30 Intellectual Property Litigators, celebrated for precision, courtroom leadership, and legal innovation.
With extensive experience across diverse technical domains, including polymer chemistry, pharmaceuticals, robotics, semiconductors, and software, Jan P. Weir specializes in intellectual property litigation, patent prosecution, antitrust litigation, appellate advocacy, trademark and copyright law, Hatch-Waxman and ANDA litigation, civil and commercial litigation, patent licensing, trial strategy, mediation, arbitration, and legal opinion work.
Kathrine J. Brandt (née Weir)
Kathrine J. Brandt is a Registered U.S. Patent Attorney and accomplished litigator, admitted to the California Bar and the Federal Circuit Court of Appeals. With deep expertise in patent and intellectual property law, Kathrine J. Brandt specializes in high-tech and pharmaceutical industries, handling complex matters in patent, trademark, copyright, trade secret, and antitrust litigation. Her experience extends to Hatch-Waxman litigation, inter partes proceedings before the USPTO, and counseling on antitrust and intellectual property issues.
Throughout her career, Kathrine J. Brandt has represented clients in high-stakes litigation, developed innovative legal strategies, including novel defenses and claims in patent and antitrust law, and provided comprehensive counsel on intellectual property portfolios, trademark prosecution, and contract negotiations. She is also experienced in managing discovery disputes and has a proven track record of success in contentious legal environments.