Bill Sigler

Fisch Sigler LLPSuperstar Lawyer

BILL  SIGLER
Partner
+1.202.362.3520
  Washington, DC office
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ill Sigler drew his first breath within 30 furlongs of the site of the Boston Tea Party, the Old North Church, and Dorchester Heights. From his earliest days, Bill took to heart what these and other hallowed icons of the American Revolution symbolized: resiliency, ingenuity, and a burning desire to see justice done. Bill practices these ideals as a winning intellectual property trial and appellate lawyer for both plaintiff and defendant.

His trial successes include the firm's jury trial victories in the Eastern District of Texas. Bill secured a jury verdict that Samsung had willfully infringed two patents on behalf of Imperium IP Holdings in a jury trial in Sherman. And in separate trials in Marshall, Bill obtained jury verdicts on behalf of defendants Barnes & Noble, Inc. and Gap Inc.

Bill also obtained two other jury wins for Pier 1 Imports and Thomas & Betts Corporation in the Eastern District of Texas, and a jury trial defense victory for Stored Value Solutions in the United States District Court for the Western District of Tennessee.

Bill’s trial and other successes have resulted in him being named an "IP Star" in Managing IP magazine IP World Handbook and Survey, and as a Washington, D.C. "Super Lawyer." Bill was also once named to Benchmark Litigation's "Under 40 Hot List."

"Trial by jury is often the best and only way to discover the truth," says Mr. Sigler. "I remain proud to be a part of this process."

Bill has also advocated at numerous claim construction and pretrial hearings, and provided winning oral advocacy on dozens of dispositive motions. Bill is also experienced in other facets of patent disputes, including declaratory judgment actions and reexamination and review practice at the United States Patent and Trademark Office.

Bill has spearheaded numerous appellate successes, achieving 10 victories in 12 cases before the United States Court of Appeals for the Federal Circuit.

Bill is active in the intellectual property bar, as well, currently serving in the American Bar Association's Section of Litigation as co-chair of the Intellectual Property Committee's Patents Subcommittee.

Bill is also a published author, including the highly read Section 298's Impact of Evidence at Patent Trials Thus Far in Law360. Bill is also asked to comment on intellectual property litigation issues, with publications such as The American Lawyer, Reuters, Bloomberg, Law360, and ABA Litigation News all having quoted him.


Bill has been recognized repeatedly for success in the courtroom. Some of his accolades include:

  • Benchmark Litigation: Under 40 Hot List
  • Managing IP: "IP Star"
  • Super Lawyers


University of Virginia School of Law
J.D., 2003

Washington and Lee University
B.A., cum laude, 1997

  • District of Columbia
  • Virginia
  • United States Court of Appeals for the Second Circuit
  • United States Court of Appeals for the Third Circuit
  • United States Court of Appeals for the Eleventh Circuit
  • United States Court of Appeals for the Federal Circuit
  • United States District Court for the District of Columbia
  • United States District Court for the Northern District of Illinois
  • United States District Court for the Eastern District of Virginia
  • United States District Court for the Western District of Virginia


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