Adam A. Allgood

Attorney Profile

Top Rated Intellectual Property Litigation Attorney in Washington, DC

Fisch Sigler LLP
5301 Wisconsin Ave NW, 4th Floor
Washington, DC 20015
Phone: 202-362-3500
Selected to Rising Stars: 2016 - 2017
Licensed Since: 2007
Practice Areas: Intellectual Property Litigation (70%), Civil Litigation: Defense (20%), Intellectual Property (10%)
Attorney Profile

Adam A. Allgood is an attorney with Fisch Sigler LLP in Washington, D.C.  He focuses his practice on complex commercial and intellectual property disputes.  Mr. Allgood’s litigation experience extends from pre-litigation counseling through appeal, including case development, discovery management, motion practice, hearings, mediations and arbitrations, jury and bench trials, investigations before the International Trade Commission, appeals before the U.S. Court of Appeals for the Fifth Circuit, and inter partes review proceedings before the U.S. Patent Trial and Appeal Board. 


Before joining Fisch Sigler, Mr. Allgood was an associate at large international law firms, where he counseled clients on a broad range of intellectual property and litigation matters.  He has represented clients in numerous sectors, including the wireless devices, oil and gas, display devices, software, biotechnology, electrical products manufacturing, and retail industries.  He has counseled foreign and domestic clients on patent litigation issues arising in the U.S., E.U., Japan, China, Korea, Russia, and Brazil. 


Mr. Allgood has also served as an Assistant Attorney General of the Law Enforcement Division of the Office of the Attorney General in Austin, Texas.  As Assistant Attorney General, he defended law enforcement and medical agencies against First, Fourth, Eighth, and Fourteenth Amendment claims.  Mr. Allgood has tried numerous federal cases to successful jury verdicts, written multiple favorable appellate briefs, and argued before U.S. Court of Appeals for the Fifth Circuit.


Mr. Allgood received his law degree from the University of Oklahoma, where he was a Comfort Law Scholar. OU Law awarded him the Order of the Solicitor Award for trial advocacy and the American Jurisprudence Award in Civil Pretrial Litigation.  He was a member of the American Association for Justice Trial Team and the OU Law Dean’s Leadership Council.  Mr. Allgood was also the Technology Chairman of the OU Law Student Bar Association, Editor-in-Chief of The Restatement, and a legal intern for former Oklahoma State Senator James F. Howell.  While in law school, he maintained full-time employment as a software engineer and consultant, focusing on document management and medical billing systems. 


Mr. Allgood is admitted to practice in the District of Columbia, Texas, California, and before the U.S. Court of Appeals for the Fifth Circuit; the U.S. District Courts for the Eastern, Western, Northern, and Southern Districts of Texas; the U.S. District Courts for the Northern and Central District of California; and the U.S. Patent and Trademark Office.

About Adam A. Allgood

Admitted: 2007, Washington DC

Professional Webpage:

Bar/Professional Activity

  • Conference Section Chair: Eastern District of Texas Bench Bar Conference (2017, 2018, 2019)
  • EDTX Bar Association:  Eastern District of Texas Bench Bar Planning Committee (2014-2019)
  • Administration of Justice Committee, 2016-2018, Houston Bar Association
  • Project TRAIN (Training, Readiness and Inclusion Network), 2017-2018 (develop materials and training programs that will assist employers in hiring and retaining individuals with special needs or cognitive disorders)
  • Teach Texas, 2016-2018 (teach Texas legal history to local 7th grade students)

Pro bono/Community Service

  • Reunited an asylum-seeking Guatemalan father and his 4-year old daughter separated at the border.
  • Represent pro bono asylum-seeking mothers separated from their children in being reunited; including credible fear investigations.
  • Represent pro bono client in appeal to the Fifth Circuit regarding a post-departure bar to immigration appeals.
  • Provide legal advice to Houston veterans at the Veterans Legal Clinic at the Michael E. DeBakey VA Medical Center.
  • Represent pro bono client Missouri City in jury trials of misdemeanor cases.
  • Represent pro bono client in child abduction case under the Hague Convention.

Representative Clients

  • Trial counsel for large international technology company during a patent litigation jury trial to verdict involving operating system security on cellular phones.
  • Trial counsel for major supplier of networking probes in a patent litigation trial to jury verdict in the Eastern District of Texas.
  • Represent a manufacturer of downhole drilling equipment in a patent litigation involving the prevention of sand from accumulating above an electrical submersible pump.
  • Represent a leading supplier of personal computing devices in multiple actions before the International Trade Commission.
  • Represent a major financial services client in a dispute concerning indemnity from a prior software patent litigation.
  • Represent major oil company in plaintiff’s action to recover losses for mooring failures of offshore drilling rigs during Hurricane Ike.
  • Lead appellate counsel at oral argument for the U.S. Court of Appeals for the Fifth Circuit regarding qualified immunity of correctional officers.
  • Represent a leading supplier of display devices in patent litigation involving digital display technologies in the Eastern District of Texas.
  • Represent major oil company in plaintiff's actions for declaratory judgment that the federal drilling moratorium constitutes force majeure under offshore drilling contracts.
  • Represent a major wireless manufacturer in multiple patent litigations involving cellular technologies in the Eastern District of Texas and the Patent Trial and Appeals Board.
  • Represent manufacturer of theater projector systems in a patent litigation in the Central District of California
  • Represent a leading supplier of personal computing devices in patent litigation involving WiFi, WiMax, 3G and 4G wireless technologies in the Eastern District of Texas.
  • Represent large information management company in an arbitration concerning various computer software applications.
  • Represent global electrical products manufacturer in lawsuit on contract dispute over tax sharing and separation agreement.
  • Lead trial and appellate counsel for multiple constitutional lawsuits under 42 U.S.C.§1983.

Scholarly Lectures/Writings

  • ALJ Cheney issued an Initial Determination finding that a willful false statement as to inventorship—even though corrected prior to filing the Complaint—made the asserted patent unenforceable., Author, ALJ Cheney Finds LILLEbaby’s Patent Unenforceable Due to Inequitable Conduct, 337 Reporter Monthly Round-Up, 2020
  • Panel discussion on methods and strategies for U.S. companies involved in international litigation with foreign parties., Facilitator/Panelist, International Issues: Out-Bound Focus. What Should U.S. Parties Expect When Effectuating Service, Obtaining Discovery and Collecting Judgments Off Shore?, Eastern District of Texas Bench Bar Conference 2019, 2019
  • Standardized: USPTO Adopts Federal Court Phillips Claim Construction Standard at PTAB.  In a final rule package recently published by the US Patent and Trademark Office, the agency conformed the standard for construing unexpired claims under certain Patent Trial and Appeal Board proceedings to the Phillips standard used in district courts and at the International Trade Commission, creating a unified process across all potential forums.,, 2018
  • Supreme Court of Texas to Federal Circuit: Don’t Mess with Texas but Feel Free to Mess with Texas Patent Attorneys; SCOTUS May Weigh In on “Arising-Under” Jurisdiction, IP Update, Volume 15, Number 5
  • Federal Circuit Jurisdiction over State-Law Tort Claim, IP Update, Volume 14, Number 8
  • Combining Disclosed Technology Can Be a Protectable Trade Secret, IP Update, Volume 14, Number 6
  • Laser Board Game May Be Obvious Based on Laser Computer Game, IP Update, Volume 14, Number 4
  • State Law License Defense to Hypothetical Infringement Suit Satisfies Federal Jurisdiction, IP Update, Volume 14, Number 3
  • Social Media Mining: Prospecting for Golden Nuggets.  – Presenter, 2015 Eastern District of Texas Bench Bar Conference
  • Fifth Circuit Looks to Totality of Parties’ Conduct to Determine Implied License, IP Update, Volume 15, Number 10
  • Role of Lawyer as Officer of the Court and Related Ethical Duties Not to Lead Judges Astray, Not to Unduly Delay, Candor and Fair  Play – Presenter, 2014 Eastern District of Texas Bench Bar Conference
  • § 301(a) of Copyright Act Creates Complete Preemption, IP Update, Volume 15, Number 9
  • Let the Jury Decide Trade Secret Misappropriation Claim , IP Update, Volume 15, Number 8
  • Prometheus Rising: In Bancorp, the Battle Between “Claim” and “Inventive Concept” Continues, IP Update, Volume 15, Number 8
  • Exit the Dragon: Tenth Circuit Affirms Dismissal of Cybersquatting Claim on Bruce Lee’s “Jeet Kune Do” Mark Brought by Non-Owner Martial Arts Instructor, IP Update, Volume 15, Number 6
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Office Location for Adam A. Allgood

5301 Wisconsin Ave NW
4th Floor
Washington, DC 20015

Last Updated: 8/14/2020

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