Roy Hardin has over thirty years of experience trying patent cases in diverse chemical and mechanical fields, ranging from polymer to inorganic chemistry and from simple mechanical devices to sophisticated application of computer technology. In recent years, he has presented claim interpretation arguments (Markman hearings) in the Tyler, Marshall and Texarkana divisions of the Eastern District of Texas, one of the federal judicial district courts in the country handling a significant number of patent cases. Mr. Hardin also has mediated numerous cases, and is registered to practice before the U.S. Patent and Trademark Office. He has tried bench and jury patent infringement cases across the country and has presented a number of important oral arguments to the Federal Circuit.
Education
- J.D., with honors, John Marshall Law School, 1975
- B.S., Chemical Engineering, University of Iowa, 1972
Bar Admissions
Admitted To Practice
- U.S. Supreme Court
- U.S. Court of Appeals for the Federal Circuit
- U.S. Court of Appeals for the Second Circuit
- U.S. Court of Appeals for the Fifth Circuit
- U.S. Court of Appeals for the Tenth Circuit
- U.S. Court of Appeals for the Eleventh Circuit
- U.S. District Court for the Northern District of Texas
- U.S. District Court for the Eastern District of Texas
- U.S. District Court for the Southern District of Texas
- U.S. District Court for the Western District of Texas
- U.S. District Court for the Western District of Oklahoma
- U.S. Patent and Trademark Office
Representative Experience
- Enforced pioneer patents in field of commercial explosives, causing Fortune 500 Chemical Company to leave the business.
- Defended and enforced patents covering the most successful and widely used herbicide in the world.
- Defended against charges of infringement of diaper patents, including invalidation of competitor’s patents and finding of unenforceability due to competitor’s inequitable conduct before the USPTO.
- Excluded plaintiff’s survey expert testimony in jury trademark case resulting in finding on appeal that there was insufficient evidence of infringement by client-defendant.
- Defended chemically complex plastics catalyst patent case involving two of the largest oil companies in the world.
- Tried intellectual property cases to judgment for Atlas Powder, Fina, Monsanto, Kimberly Clark, ConocoPhillips, and Microsoft.
- Managed patent and trademark portfolio, including oversight of prosecution, litigation and licensing for mid –size consumer products company.
Publications & Presentations
- Summary Judgment in Patent Matters, Procedural Aspects of Supporting and Defending Rule 56 Motions"
- "Current Patent Licensing Practice"
- "R & D Limited Partnerships: Intellectual Property Issues and Considerations"
- "The Health of Mr. PHOSITA and Other Patent Myths" "When to Appeal"
- "Keeping Your Hand on the Till"
- "Patent Law Expert Testimony: The Effects of Daubert and Markman on Admissibility, Content, and Presentation"
Professional History
Partner in the law firm of Locke Lord Bissell & Liddell LLP
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