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William H. Oldach, III

Washington, D.C. Office

Mr. Oldach is of counsel in the Vorys Washington, D.C. office and a member of the technology and intellectual property group.  His practice focuses on all aspects of intellectual property, with a particular emphasis on patent and trademark litigation and appellate practice. He has litigated cases in many United States District Courts, as well as the U.S.P.T.O. Trademark Trial and Appeal Board, and the United States International Trade Commission.  In addition, Mr. Oldach consults in patent and trademark prosecution matters and assists in intellectual property aspects of corporate transactions.

Career highlights include:

  • Prevailing in a trademark opposition matter before the Trademark Trial and Appeal Board, in which the Board issued a lengthy precedential opinion sustaining our client’s opposition to a product configuration trademark registration sought by a key competitor
  • Obtaining a preliminary injunction on behalf of a clothing retailer client in a trademark counterfeiting action
  • Obtaining summary judgment of non-infringement on behalf of a client manufacturer of optical lens products
  • Participating on a team that successfully represented a major semiconductor manufacturer in patent litigations pertaining to landmark semiconductor automation processes
  • Serving as temporary in-house intellectual property counsel to a major greeting card publisher

Mr. Oldach is a member of the American Intellectual Property Law Association. Mr. Oldach is admitted to practice in the District of Columbia.

Mr. Oldach received his J.D. summa cum laude from The Ohio State University College of Law where he was a member of the Order of the Coif and the Managing Editor of the Ohio State Law Journal.  He received his B.S.E.E. cum laude from Lehigh University.

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