Richard P. Hadorn

Attorney at Law
Washington, DC
888-860-5678 x706 (telephone)
888-706-1173 (fax)
Richard P. Hadorn, a registered patent attorney and seasoned patent litigator, concentrates his practice on pharmaceutical litigation under the Hatch-Waxman Act and investigations before the U.S. International Trade Commission. During his career, he has managed all phases of patent litigations and other intellectual-property disputes, from initial fact investigation through trial and appeal, in various technological areas, including pharmaceuticals, computer software and hardware, telecommunications, and the mechanical arts.
Each year since 2009, Mr. Hadorn has been named a “Rising Star” in the field of Intellectual Property Litigation by Super Lawyers. In 2008 and 2009, Mr. Hadorn was selected by Virginia Business Magazine as one of Virginia’s “Legal Elite” in the field of Young Lawyers.
Prior to joining Mei & Mark LLP, Mr. Hadorn was an attorney with Sterne, Kessler, Goldstein & Fox PLLC. He also practiced law previously at Pillsbury Winthrop Shaw Pittman LLP and Vandeventer Black LLP.
While in law school, Mr. Hadorn served as Editor-in-Chief of the William & Mary Bill of Rights Journal, and received the Dean’s Certificate for leadership and initiative on behalf of the law school. He also served as a summer law clerk to the Honorable Walter S. Felton, Jr. of the Court of Appeals of Virginia, and as a summer intern for the Suffolk County (N.Y.) District Attorney’s Office.
Representative Cases
U.S. International Trade Commission Section 337 Investigations
ITC Inv. No. 337-TA-911, Certain Lithium Silicate Materials and Products Containing the Same (represented Complainant Ivoclar).
ITC Inv. No. 337-TA-903, Certain Antivenom Compositions and Products Containing the Same (represented Respondents Laboratorios Silanes and Instituto Bioclon).
ITC Inv. No. 337-TA-871, Certain Wireless Communications Base Stations and Components Thereof (represented Complainant Adaptix).
U.S. District Court Hatch-Waxman Litigation
Alcon Pharmaceuticals Ltd. et al. v. Apotex, Inc. et al., (D. Del.)(represented Defendant Apotex concerning a treatment for bacterial conjunctivitis—Vigamox).
Inter Partes Review Matters Before the U.S. Patent and Trademark Office
Apotex, Inc. v. Alcon Pharmaceuticals Ltd., IPR2013-00012 and IPR2013-00015 (PTAB)(represented Petitioner Apotex regarding patents concerning a treatment for bacterial conjunctivitis).
General Electric Co. v. TransData, Inc., PR2014-01505, and IPR2014-01559 (PTAB) (represented Patent Owner TransData concerning patents covering electric meters).
J.D., College of William and Mary
Certificate in Public Health, Harvard University
B.S., Biology, Syracuse University
Bar Admissions
Virginia, District of Columbia, U.S. Patent and Trademark Office, United States District Court for the Eastern District of Virginia.
Professional Recognition
Recognized as “Rising Stars” for Intellectual Property Litigation, Super Lawyers magazine, in the Washington, DC (2013-2016) and Virginia (2009-2012).