H. James Voeller

Jim Voeller is a registered patent attorney with over 15 years of Intellectual Property law and patent procurement experience. His technical expertise is in chemistry, biotechnology, pharmaceuticals, and medical devices.

Jim’s experience includes drafting and prosecuting hundreds of US and PCT patent applications in a broad range of subject areas, conducting appeals and post-grant proceedings before the PTAB, preparing validity and infringement opinion reports, counseling clients, and providing litigation support in patent infringement matters. He has also managed and instructed non-U.S. based law firms and associates in matters related to PCT patent prosecution.

Prior to becoming a patent attorney, Jim was a Research Associate at the National Institutes of Health and at the Georgetown University Lombardi Cancer Center where he conducted research into the cellular, molecular, and genetic mechanisms of human prostate cancer. His research has been published in several peer-reviewed journals and presented at international meetings.

Jim received a Bachelor of Science degree in Biology from James Madison University, a Master of Science degree in Molecular Biology from the University of Maryland, and a Juris Doctor degree from George Mason University – Antonin Scalia Law School. He is registered to practice before the U.S. Patent and Trademark Office, and admitted to practice in the Commonwealth of Virginia and in the District of Columbia.

Lin Chen

Lin Chen is Associate with Maier and Maier. Prior to joining the firm, she had been a Chinese Patent Examiner for ten years in the Patent Examination Cooperation (Beijing) Center of the Patent Office, National Intellectual Property Administration, PRC (CNIPA formerly SIPO). During her patent examining experience, she conducted over 600 patents’ prior art search and sent out more than 1800 patent office actions for the patent applications in the area of optoelectronic functional materials (including photosensitive materials, light-emitting materials, liquid crystal materials, organic/inorganic semiconductor materials, etc.) and thin-film semi-conductor devices (including LED, LCD, and thin-film solar cells, etc.) thereof, chemistry, biochemistry and pharmaceutical. She also completed almost 100 international search reports for international patent applications (PCT applications).

Lin Chen received her Bachelor of Science and Bachelor of Law double degree from the Beijing Normal University, where she majored in Applied Chemistry and completed a minor in Law. Then she earned her Ph.D. in Polymer Chemistry & Physics from the Peking University, and her LL.M in Intellectual Property from the George Washington University Law School.

Lin Chen

Lin Chen is a technical specialist for Maier and Maier. Prior to joining the firm, she had been a Chinese Patent Examiner for ten years in the Patent Examination Cooperation (Beijing) Center of the Patent Office, National Intellectual Property Administration, PRC (CNIPA formerly SIPO). During her patent examining experience, she conducted over 600 patents’ prior art search and sent out more than 1800 patent office actions for the patent applications in the area of optoelectronic functional materials (including photosensitive materials, light-emitting materials, liquid crystal materials, organic/inorganic semiconductor materials, etc.) and thin-film semi-conductor devices (including LED, LCD, and thin-film solar cells, etc.) thereof, chemistry, biochemistry and pharmaceutical. She also completed almost 100 international search reports for international patent applications (PCT applications).

Lin Chen received her Bachelor of Science and Bachelor of Law double degree from the Beijing Normal University, where she majored in Applied Chemistry and completed a minor in Law. Then she earned her Ph.D. in Polymer Chemistry & Physics from the Peking University, and her LL.M in Intellectual Property from the George Washington University Law School.

Max Kaganov

Max Kaganov is a registered patent attorney and practices all aspects of intellectual property law, including utility patent and design patent drafting and prosecution, freedom-to-operate and infringement opinions, and trademark prosecution, oppositions, and cancellations. Max’s utility patent experience spans a variety of arts, such as mechanical engineering, medical devices, RFID devices and the manufacture thereof, wind turbines, as well as batch production, electrical, and software technologies. A particular focus of Max’s practice is the drafting and prosecution of design patents.

Max received his Bachelor of Arts degree from Williams College, where he majored in chemistry with a focus on physical chemistry and materials science. He obtained his Juris Doctor, in the patent law specialty track, from George Mason University School of Law. A native speaker of Russian and proficient in Spanish, Max has obtained  patent protection in the United States for Eastern European and Latin American clients. Max is registered to practice before the US Patent and Trademark Office, the Virginia State Bar, and the Florida Bar.

Max Kaganov

Max Kaganov is a registered patent attorney and practices all aspects of intellectual property law, including utility patent and design patent drafting and prosecution, freedom-to-operate and infringement opinions, and trademark prosecution, oppositions, and cancellations. Max’s utility patent experience spans a variety of arts, such as mechanical engineering, medical devices, RFID devices and the manufacture thereof, wind turbines, as well as batch production, electrical, and software technologies. A particular focus of Max’s practice is the drafting and prosecution of design patents.

Max received his Bachelor of Arts degree from Williams College, where he majored in chemistry with a focus on physical chemistry and materials science. He obtained his Juris Doctor, in the patent law specialty track, from George Mason University School of Law. A native speaker of Russian and proficient in Spanish, Max has obtained  patent protection in the United States for Eastern European and Latin American clients. Max is registered to practice before the US Patent and Trademark Office, the Virginia State Bar, and the Florida Bar.

Michael J. Collins

Michael Collins has twenty-nine years of experience litigating patent, trade secret, unfair competition and other technology-related matters. In recent years, his practice has concentrated on patent litigation, representing both patent owners and defendants in federal district courts throughout the country. He has also represented clients in post-grant proceedings before the Patent Trial and Appeal Board, Section 337 investigations before the International Trade Commission and appeals before the Federal Circuit. In addition to patent litigation, Michael has substantial experience representing both plaintiffs and defendants in trade secret matters in the state courts of both Texas and Florida. He was named a “Texas Super Lawyer” in the area of Intellectual Property Litigation in each of the years from 2013 through 2018.

Michael has handled cases involving a wide range of technologies, including semiconductors, oil and gas production, materials science, software, consumer electronics, wireless telecommunications systems, LED display panels, vehicle location tracking, optics, building structures, medical devices, food processing, transportation, conventional and nuclear power, petrochemicals, industrial valves, combined cycle gas turbines, petrochemical catalyst handling methods, corrugated packaging, and flywheel energy storage systems.

Kangseok Kim

Kangseok Kim is a member of the Washington D.C Bar and is admitted to practice before the United States Patent and Trademark Office.  Kangseok brings experience across of a range of technological disciplines and has formal training in electrical engineering.  He earned his Juris Doctor from Handong International Law School. Prior to law school, Kangseok double majored in Computer Science and Electronic Engineering at Handong Global University.

Dennis Ahearn

Dennis Ahearn is senior counsel for Maier and Maier.  Previously, Dennis was IP and Technology Law Counsel at Science Applications International Corporation (“SAIC”), Associate General Counsel for Intellectual Property and Technology Law at Lockheed Martin Corporation, and Chief IP Counsel at COMSAT Corporation.  Dennis has a wealth of experience in procuring, managing and enforcing intellectual property rights globally for these and other corporations in major technical areas, and in data rights in Government Contracts, Government cyber-security requirements, IP rights in mergers and acquisitions and other transactions, Open Source Software acquisition, usage and licensing, trademark portfolio development and management, internet usage, and litigation management.  Additionally, Dennis is highly experienced in providing IP development, protection, usage, licensing, sale, and other monetization counsel.  His areas of interest include aerospace and defense, advanced telecommunications, commercial space activities, artificial intelligence and robotics, alternative energy, and internet activities and cyber-security. Dennis received his Bachelor’s Degree in Physics from Yale, completed his J.D. at the University of San Francisco and served in the U. S. Air Force before beginning his law career.

Robert A. Madsen

Bob Madsen is a registered patent agent and practices patent prosecution in the areas of biotechnology, pharmaceuticals, chemicals, foods, cosmetics, and mechanical arts.

Prior to joining Maier & Maier, Bob practiced patent prosecution for over 12 years in an intellectual property law firm working with foreign clients. Before becoming a patent agent, Bob was a patent examiner for over 6 years at the United States Patent and Trademark Office where he examined patent applications in the chemical arts. He also worked for over 8 years as a chemical engineer in the food and pharmaceutical industries.

Bob received a Bachelor of Science degree in Chemical Engineering from the University of Wisconsin at Madison.

Stephen Kunin

Mr. Kunin is a Partner at Maier & Maier PLLC, where he specializes in all areas of patent practice. His expertise includes post-issuance proceedings at the United States Patent Office, opinions of counsel, advising attorneys and our clients on complex patent prosecution matters, patent litigation strategy, and United States Patent Office patent policy, practice and procedure, for which he is highly sought after for expert testimony. Mr. Kunin has presented expert testimony covering numerous subjects, including:

  1. Duty of candor and good faith (inequitable conduct)
  2. Subject matter eligibility and utility
  3. Restriction practice and double patenting
  4. Inventorship
  5. Declaration/affidavit practice
  6. Certificates of correction
  7. Petitions practice
  8. Reexamination and reissue
  9. Interferences
  10. Ownership
  11. Statutory disclaimers
  12. Written description
  13. Date of public availability of abandoned applications referenced in prior art publications
  14. Prosecution laches
  15. Right of priority under Paris Convention

In addition to serving as an expert witness, Mr. Kunin has vast experience in providing lectures on recent US patent law developments across the USA, Europe and the Far East.  He has more than 52 years of experience in the patent profession.

After graduating from Washington University (MO) with a Bachelor’s in Science in Electrical Engineering with honors in 1970, Mr. Kunin embarked on his lengthy career over nearly 35 years at the United States Patent Office. He received his JD in law degree with honors in 1975 from The National Law Center at George Washington University. He held many significant positions with the USPTO, which culminated with ten years of service as the Deputy Commissioner for Patent Examination Policy from 1994-2004. While at the USPTO, he was a leading voice in forming patent policy, in revising examination guidelines on subject matter eligibility, utility, non-obviousness and written description, and in establishing reissue and reexamination procedures. Mr. Kunin spearheaded revisions to the Rules of Practice and Manual of Patent Examining Procedure, making key changes to chapters on ex parte reexamination, reissue, and inter partes reexamination.

Since leaving the PTO, Mr. Kunin has been a practicing patent attorney for more than 18 years counseling clients in post-grant patent proceedings at the USPTO and routinely serves as an expert witness in patent litigation cases. He is a registered patent attorney with the USPTO, and admitted to practice in the Commonwealth of Virginia, before the U.S. Court of Appeals for the Federal Circuit, and before the United States Supreme Court. From 2005 through 2017, Mr. Kunin served as the Intellectual Property Program Director at the Antonin Scalia School of Law at George Mason University, while teaching patent and intellectual property law classes as an adjunct professor of law.

Recognitions and Awards

Over the course of his illustrious career, Mr. Kunin has received many notable awards, including the Meritorious Executive Presidential Rank Award, The Vice President’s Reinventing Government Hammer Award, four Gold Medals, three Silver Medals, and one Bronze Medal from the Department of Commerce, and a Career Achievement Award from the USPTO. He has been named one of Intellectual Property Today’s most influential people in IP law, he was recognized by IAM Patent 1000 in the field of Patent Law, and he has been named among both Best Lawyers and International Advisory Experts leading attorneys in the field of Intellectual Property.

Most recently:

  • Mr. Kunin was recently included in the 2025 edition of The Best Lawyers in America® for Patent Law.
  • Mr. Kunin was also included in the 2024 edition of The Best Lawyers in America® for Patent Law.
  • In June of 2022 he was again named one of Managing Intellectual Property’s “IP stars.”
  • Mr. Kunin has been selected as a 2022 Go To Intellectual Property Lawyer by Virginia Lawyers Weekly and his profile is set to appear in the September 26, 2022 issue of Virginia Lawyers Weekly.
  • On August 18, 2022, Mr. Kunin was selected by his peers for recognition of professional excellence in the 29th edition of The Best Lawyers in America® for work in Patent Law.

Representative Patent Expert Witness Engagements

  • Allergan Sales* v. Sandoz, (Civil Action No. 2 :17-cv-10129-CCC-MF), United States District Court for the District of New Jersey [report & deposition]
  • Amarin Pharma* v. Hikma Pharms, (Case No. 2 :16-cv-02525-MMD-NJK), United States District Court, District of Nevada [rebuttal report & deposition]
  • AstraZeneca Canada, Inc. v. Teva Canada Ltd*, (Case No. T-592-21), Canadian Federal Court (Ottawa), [report]
  • Beacon Point Capital v. Philips Electronics North America* (AAA Case No. 50-20-0700-0029), American Arbitration Association [report, deposition, and arbitration hearing]
  • bioMerieux v, Hologic et al.*(Civil Action No. 18-21-LPS-CJB), United States District Court for the District of Delaware [reply report & deposition]
  • Black Horse Capital* v. Auxilium Pharms., Inc., (AAA Case No. 01-20-000-3951), American Arbitration Association [report]
  • Boehringer Ingelheim Pharms, Inc.* v. Aurobindo Pharms USA, Inc. et al. (Civil Action No. 17-7887 (MAS)(LHG), United States District Court for the District of New Jersey [report & deposition]
  • Boston Scientific Corp., Inc.* v. Cook Group, Inc. et al. (Civil Action No. 1:17-cv-03448-JRS-MJD, United States District Court for the Northern District of Indiana, Indianapolis Division [report & deposition]
  • Comcast Cable Communications, LLC* v. Rovi Guides, Inc., Inter Partes Review No, IPR2020-00787, USPTO PTAB [declaration]
  • DRIT LP* v. Glaxo Group Limited and Human Genome Sciences, Inc. (C.A. No. N16C-07-218 WCC CCLD), Superior Court of the State of Delaware [report, deposition & trial]
  • Genzyme Corp.* v. Synpac (AAA ICDR Case No. 01-20-000o-5081), American Arbitration Association [report, rebuttal report & Arbitration Hearing]
  • Gilbert P. Hyatt v. Joseph Matal*, (Civil Action Nos.: 1:09-cv-1864 (RCL), 1:09-cv-1869 (RCL), 1:09-cv-1872 (RCL) and 1:05-cv-2310 (RCL)), United States District Court, District of Columbia [report, rebuttal report deposition & trial]
  • Immunex Corporation, Amgen Manufacturing, Limited and Hoffman-La Roche Inc.* v. Sandoz Inc., Sandoz International GMBH and Sandoz GMBH, (Civil Action No. 2:16-cv-01118-CCC-MF), United States District Court for the District of New Jersey [report, deposition & trial]
  • In re Biogen ’755 Patent Litigation, Civil Action No. 2:10-cv-02734 (CCC)(JBC), United States District Court, District of New Jersey [report for EMD Serono, Inc. and Pfizer, Inc.* and deposition]
  • In re Certain Automated Storage and Retrieval Systems, ITC Investigation No. 337-TA-1228, United States International Trade Commission, Washington, D.C. [report for Ocado*, deposition, witness statement & trial]
  • In re Certain Knitted Footware, ITC Investigation No. 337-TA-1289, United States International Trade Commission, Washington, D.C. [report for Nike*]
  • In re Certain Vehicle Control Systems, Vehicles Containing the Same and Components Thereof, ITC Investigation No. 337-TA-1235, United States International Trade Commission, Washington, D.C. [report for Porsche & VW* & deposition]
  • Lear* v. NHK Seating, (Case No. 2:18-cv-10613-LJM-RSW), United States District Court, Eastern District of Michigan, Southern Division [report, deposition & declaration]
  • Magna Mirrors of America* v. SMR Automotive Systems, (C.A. No. 1:17-cv-00077-RJJ-PJG), United States District Court, Western District of Michigan [report & deposition]
  • Manufacturing Resources, Inc v. Civiq Smartscapes, LLC*, (Civil Action No. 17-269-RGA), United States District Court for the District of Delaware [report, reply report & deposition]
  • MasterObjects, Inc. v. Amazon.com, Inc.*, (Case No. 3:20-cv-08103-WHA), United States District Court for the Northern District of California [report & deposition]
  • Merial, Inc. v. Intervet International B.V.*, (Case No. 0047402-78.2018.4.02.5101), 31 Vara Federal da Secao Judiciaria do Rio de Janeiro (Brazil) [declaration]
  • nCap Licensing, LLC v. Apple, Inc.*, (Case No. 2:17-cv-00905), United States District Court, District of Utah, Central Division [report]
  • Novartis* v. Regeneron, (Case No. 1:18-cv-0234-DLC), United States District Court, Southern District of New York [report & deposition]
  • NuVasive, Inc.* v. Alphatec Holdings, Inc., (Case No. 3:18-cv-00347-CAB-MDD), United States District Court, Southern District of California, San Diego Division [report & deposition]
  • Omni MedSci, Inc. v. Apple, Inc.*, (Case No. 2:18-cv-00134), United States District Court, Eastern District of Texas [report]
  • Palomar Techs.* v. MSRI Systems, (Civil Action No. 1:18-cv-10236-FDS), United States District Court, District of Massachusetts [report, deposition, and trial]
  • Ravgen, Inc*. v. Quest Diagnostics, Inc., (Case No. 2:21-09011-RGK (GJSx)), United States District Court, Central District of California [report & deposition]
  • Sanofi-Aventis U.S. LLC, Genzyme Corp., and Regeneron Pharmaceuticals, Inc. v. Immunex Corporation* (Case IPR2017-01879), United States Patent and Trademark Office, before the Patent Trial and Appeal Board [declaration]
  • Sanofi-Aventis U.S. LLC, Genzyme Corp., and Regeneron Pharmaceuticals, Inc. v. Immunex Corporation* (Case IPR2017-01884), United States Patent and Trademark Office, before the Patent Trial and Appeal Board [declaration]
  • E. Fred Schubert v. Lumileds, LLC*, (Case No. 1:12-cv-924-MN), United States District Court, District of Delaware [report & deposition]
  • Semicaps PTE LTD v. Hamamatsu Corporation et al. (Case No. 17-cv-03440-DMR), United States District Court, Northern District of California [rebuttal report]
  • The Sherwin-Williams Co. v. PPG Industries, Inc.*, (Case No. 2:17-cv-01023-JFC), United States District Court, Western District of Pennsylvania [report & deposition]
  • Taiho Pharmaceutical Co., LTD* v. Natco Pharma LTD et al., (Civil Action No. 19-2368-CFC), United States District Court, District of Delaware [report; supplemental report & deposition]
  • Trading Technologies International, Inc.* v. IBG LLC et al., (Case No. 1:10-CV-00715), United States District Court, Northern District of Illinois, Eastern Division [report & deposition]
  • Trading Technologies International, Inc.* v. IBG LLC et al., (Case No. 1:10-CV-00715), United States District Court, Northern District of Illinois, Eastern Division [report & deposition]
  • Ultravision Techs., LLC v. Samsung Elecs., Co. et al*., (Case No. 2:19-CV-00252-JRG-RSP), United States District Court, Eastern District of Texas, Marshall Division [report]
  • W.R. Grace, Inc.* v. Elysium Health, (C.A. No. 1:20-1098-CFC-JLH), United States District Court, District of Delaware [report]
  • Zest Labs, Inc. v. Walmart, Inc.*, (Case No. 4;18-cv-00500-JM, United States District Court, Eastern District of Arkansas [report, deposition & declaration]