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William D. Cramer

Senior Counsel
fax +1 214.659.4070

Bill Cramer protects his clients’ valuable rights in various aspects of intellectual property, including prosecution of trademark, patent, and copyright applications, as well as litigation of patent, trademark, and copyright disputes at both the trial and appellate levels.

Bill is an experienced litigator who represents plaintiffs and defendants in patent, trademark, and copyright infringement lawsuits in district courts throughout the United States. He also represents clients in Section 337 investigations at the International Trade Commission (ITC), inter partes review proceedings at the Patent Trial and Appeal Board (PTAB), and appeals at the Federal Circuit Court of Appeals.

As a registered patent attorney, Bill represents individual inventors, small businesses, and multinational companies in proceedings at the United States Patent and Trademark Office (USPTO) and has coordinated with foreign intellectual property attorneys in proceedings in the intellectual property offices of variety of other countries.

Bill also regularly assists clients with a variety of technology-related legal needs, including preparation and review of licensing and technology transfer agreements, employment matters relating to the engagement and termination of high-tech employees, preparation of freedom-to-operate opinions, and disputes involving technology contracts.

Prior to becoming a lawyer, Bill designed and developed state-of-the-art data communication, telephony, and cartography software, and wrote several books and magazine articles on computer hardware and software topics.


J.D., cum laude, Boston College Law School, 1994
B.S., Texas Christian University, Fort Worth, Texas, 1982


Named among The Best Lawyers in America® for Litigation-Intellectual Property by Best Lawyers (2023)

State Bar Licenses

Texas, Illinois

Court Admissions

U.S. Patent and Trademark Office
U.S. Supreme Court
U.S. Court of Appeals, Federal Circuit
U.S. Court of Appeals, 5th Circuit
U.S. District Ct., E.D. of Texas
U.S. District Ct., N.D. of Texas
U.S. District Ct., S.D. of Texas
U.S. District Ct., W.D. of Texas
U.S. District Ct., N.D. of Illinois
U.S. District Ct., W.D. of Michigan
U.S. District Ct., E.D. of Michigan

Patent, trademark, copyright, and technology-related litigation and prosecution in the following areas:

  • Agricultural products
  • Air compressors
  • Audio and video codecs
  • Commercial architecture
  • Customer surveys
  • Deepwater drilling fluid
  • Digital photography
  • Disk drive technology
  • Dispersed data storage
  • EIFS
  • Engine valves
  • Fiber optics
  • Financial transactions
  • Food storage systems
  • Forward-facing vehicle cameras
  • Gas tank safety
  • Gas and liquid valves
  • MEMS microphones
  • Mobile GPS-related applications
  • Mobile phone handsets
  • Mobile retail applications
  • Nutraceuticals
  • Online reservation systems
  • Power meters
  • Prosthetics
  • Protective gloves
  • Real estate services
  • Remote vehicle telemetry
  • Secured data communications
  • Smart homes
  • Telephony
  • Web-based applications
  • Wireless communications

Patent, trademark, copyright, and technology-related litigation in the following venues:

  • Eastern District of Texas
  • Northern District of Texas
  • Southern District of Texas
  • Western District of Texas
  • Northern District of Illinois
  • Western District of Michigan
  • Eastern District of Michigan
  • District of Delaware
  • Northern District of Oklahoma
  • District of Arizona
  • Northern District of California
  • International Trade Commission
  • Patent Trial and Appeal Board
  • Trademark Trial and Appeal Board
  • Federal Circuit Court of Appeals
  • Fifth Circuit Court of Appeals
  • Collin County District Court (Texas)
  • Denton County District Court (Texas)
  • Dallas County District Court (Texas)
  • Fifth Court of Appeals (Texas)
  • Texas Supreme Court