Firm Profile > Leydig, Voit & Mayer Ltd. > Washington DC , United States

Leydig, Voit & Mayer Ltd.
WASHINGTON, DC 20005-3960
United States

Patents: prosecution (including re-examination and post-grant proceedings) Tier 5

Leydig, Voit & Mayer Ltd. is a one-stop-shop for intellectual property matters, leveraging expertise in a range of industry sectors. The recent expansion of the group's office network to Colorado strengthened the prosecution offering for life sciences patents and patents covering chemical and physics inventions, as former Lathrop & Gage LC practitioners Stephen Barone and Gary Chapman moved to the new Boulder office alongside counsels Sally Sullivan and Michael Curtis. Practice head John Kilyk and Charles Mottier operate from Chicago. Huawei, Cabot Microelectronics and Samsung Electronics are key prosecution clients.

Leydig, Voit & Mayer has always demonstrated an abiding commitment to provide clients with cutting-edge and business-oriented intellectual property legal advice and services.

The firm has a history of distinguished courtroom performance. Leydig’s attorneys have long been known for their success in both bench and jury trials for intellectual property right holders, and for those accused of infringement or misappropriation. It has successfully litigated several industry-founding patents, including patents and patentees inducted into the National Inventors Hall of Fame.

In addition, Leydig has represented many well-known patent applicants and brand owners in patent and trademark prosecution.

Main areas of practice: Litigation: Leydig has been successful at litigating patent, trademark and other IP rights. It works closely with clients to develop a strategic plan tailored to individual needs. Clients trust the experience and reasoned opinions of Leydig attorneys when faced with difficult decisions. The firm works hand-in-hand with its clients in exploring all available options, and in assessing potential risks, costs, and benefits to achieve their business objectives.

Patent prosecution: The firm recognizes that the patent is the most critical document in patent enforcement and valuation. Leydig works diligently to obtain the best possible protection for each of its clients’ inventions. The firm’s attorneys and agents hold advanced technical degrees and have distinguished academic credentials. Many Leydig professionals have years of technical experience working in industry as well.

Trademarks and copyright: Leydig’s attorneys assist the firm’s clients with name, mark and logo selection and registration; licensing of marks; counseling in all areas, and handle all phases of trademark enforcement and litigation. In the copyright area, the firm advises corporate clients, content providers, distributors, individual authors, artists, and entrepreneurs with respect to copyright protection and enforcement.

Post grant proceedings in the US Patent and Trademark Office: Leydig has substantial experience in US post-grant proceedings including inter partes review, post-grant review, covered business method review, interference, reexamination, supplemental examination, derivation proceeding, reissue, and in non-US oppositions. Seasoned litigators who are registered to practice before the US Patent Office and who possess technical and procedural knowledge help clients navigate post-grant proceedings and parallel litigations.

Intellectual property transactions: Leydig handles all types of IP transactions including mergers, acquisitions, assignments, licenses, settlements, stock transfers, technology transfer agreements, research and development agreements, and more.

Trade secrets and unfair competition: When trade secret misappropriation is threatened, companies can rely on Leydig’s experienced attorneys to help them seek quick judicial relief on an emergency basis or defend against such actions.

Leydig’s clients include: Agfa-Gevaert NV, American International Group, Caterpillar, Inc., Elkay Manufacturing Company, Google, Huwaei Technologies Co., Ltd., National Institutes of Health, Perrigo, USG Corporation, and Walgreen Co.

Department Name Email Telephone
Patent litigation
Patents: portfolio management and licensing
Patent prosecution
Trade secrets
Trademark litigation
Trademark non-contentious
Patent litigation: International Trade Commission
Number of Lawyers : 67
Chairman : John Kilyk, Jr
Other Offices : Frankfurt