Leydig, Voit & Mayer, Ltd.

Leydig, Voit & Mayer, Ltd. is known for its singular focus on intellectual property law, delivering sophisticated legal solutions to clients across the U.S. and worldwide. With a legacy of precision and innovation, the firm blends technical expertise with legal strategy to protect and advance the interests of global corporations, mid-sized companies, and entrepreneurs in a broad range of industries.

Leydig, Voit & Mayer, Ltd. approaches every engagement with efficiency, rigor, and a commitment to value. Legal teams are led by senior attorneys with deep litigation and technical experience, ensuring a seamless blend of IP prosecution and courtroom strength. The firm’s client-centric model emphasizes measurable results, streamlined legal services, and tailored strategies that reflect each client’s industry, technology, and competitive needs.

Leydig, Voit & Mayer, Ltd. represents clients in the pharmaceutical, biotech, medical device, chemical, software, electronics, financial services, and consumer product sectors. The firm handles complex patent prosecution, trademark registration, licensing, trade secret protection, IP litigation, and international portfolio management. Recognized for excellence in patent trials, the firm has successfully litigated foundational technologies, including patents inducted into the National Inventors Hall of Fame.

Leydig, Voit & Mayer, Ltd. has been recognized by Chambers USA, The Legal 500 U.S., IAM Patent 1000, Best Lawyers in America®, and Super Lawyers. The firm has also been named one of Fortune’s “Go-To Law Firms®” for the world’s leading companies. With five offices in the U.S. and Germany and a team of over 80 attorneys and patent agents, the firm continues to serve as a trusted advisor on critical IP matters.

Leydig, Voit & Mayer, Ltd. remains a leading force in IP law through its commitment to advocacy, client service, and technical excellence—delivering high-stakes results that drive innovation forward.