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Protecting Generations of Innovations

Maier & Maier PLLC is a law firm headquartered in Alexandria, Virginia next to the United States Patent and Trademark Office. Maier & Maier PLLC is primarily focused on intellectual property law.

Maier and Maier PLLC was founded in 2006 by brothers Timothy and Christopher Maier. Timothy and Christopher each spent several years working in various areas of intellectual property law, including private practice and for the United States Patent and Trademark Office. The brothers modeled the firm after the Oblon, Spivak, McClelland, Maier & Neustadt firm, of which their father is a founding partner. The Maier name is an internationally known and trusted name in Intellectual Property Law.

Maier & Maier is dedicated to providing outstanding legal counsel and representation in matters pertaining to patents, trademarks, copyrights, and Intellectual Property Law. The firm’s professional staff holds degrees in diversified technological backgrounds and experience in both the private sector and at the USPTO. Over the years, the firm has made a name for itself by demonstrating high-quality and effective service with personal attention and communication.

Contact us today if you need legal assistance with any of the following:

  • Business Intelligence
  • IP Monetization
  • Litigation Services
  • Patent Services
  • Post Grant Practice
  • Trademark Services

Call 888-979-2133 today to arrange your initial consultation.

Attorney Christopher J. Maier

Chris Maier is a registered patent attorney and practices all aspects of patent prosecution and patent litigation, including inter partes review proceedings and ex parte reexamination at the USPTO, international patent portfolio development and management, and opinion work. Chris has experience working across a variety of technologies, including electrical and computer engineering, software, mechanical engineering, and medical device technologies.

Prior to becoming a patent attorney Chris worked at the United States Patent and Trademark Office (USPTO) as a patent examiner. Chris specialized in flat panel display technology as well as associated device driving software and computer control and peripheral devices.

Chris is a frequent lecturer on the latest strategies and trends in intellectual property for both U.S. and international audiences. Chris previously acted as a committee chair for the American Intellectual Property Law Association (AIPLA) and as delegate for numerous AIPLA domestic and international meetings. Additionally, he previously served as a faculty member for the Patent Resources Group (PRG).


Attorney Timothy J. Maier

Mr. Maier is a registered Patent Attorney and practices all aspects of Intellectual Property Law. Mr. Maier’s practice includes patent preparation and prosecution; patent and trademark litigation; design patents, trademark oppositions, patent reissue and reexamination proceedings; interference practice; strategic domestic and international patent and trademark portfolio development and management; patentability, validity, invalidity, infringement, freedom to operate, design around opinions and counseling, patent portfolio landscape analysis and due diligence opinions. Mr. Maier’s technical expertise includes various aspects of electrical engineering, electro-mechanical, mechanical, industrial, wireless technology, software enabled systems, financial systems and telecommunication engineering. Mr. Maier has serviced clients in highly competitive technical areas, including, medical devices, RFID technology, financial products, telecommunications, consumer electronics, cosmetic devices, packaging, semiconductors, e-commerce software, optics, and business methods.

Mr. Maier’s experience and expertise most recently has focused on providing a range of patent services to clients and developing patent strategies that complement the client’s business objectives. In particular, he enjoys developing and managing patent portfolios for the world market, for both start-up, middle market and Fortune 500 companies. To this end, he also analyzes competitors’ patent portfolios and products to counsel clients regarding enhancement and enforcement of their patent portfolio, potential investment of contemplated products, strategic design-around, and acquisition of technology.

Prior to founding Maier & Maier PLLC , Mr. Maier was formerly an attorney with Oblon, Spivak, McClelland, Maier & Neustadt P.C. .

Mr. Maier received his Bachelor of Science from Vanderbilt University and Masters in Telecommunications Engineering from George Mason University School of Engineering and his Law degree from George Mason University School of Law. Mr. Maier completed the Intellectual Property Law sequence while attending George Mason University School of Law, an intense concentration in intellectual property law.

Mr. Maier is licensed to practice before the United States Patent Office, Supreme Court of Virginia, Eastern District Court of Virginia, and the Court of Appeals for the 4th Circuit. He is a member of the Virginia State Bar (VSB), American Bar Association (ABA Patents, Trademarks and Copyright Divisions), Licensing Executives Society (LES), Association Internationale pour la Protection de la Propriété Intellectuelle (AIPPI, published articles) and American Intellectual Property Association (AIPLA, elected to two year committee term).


Attorney 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:

  • Duty of candor and good faith (inequitable conduct)
  • Subject matter eligibility and utility
  • Restriction practice and double patenting
  • Inventorship
  • Declaration/affidavit practice
  • Certificates of correction
  • Petitions practice
  • Reexamination and reissue
  •  Interferences
  • Ownership
  • Statutory disclaimers
  • Written description
  • Date of public availability of abandoned applications referenced in prior art publications
  • Prosecution laches
  • 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 48 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.


Attorney 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.


Attorney Timothy M. Harbeck

Tim Harbeck is a registered patent attorney and practices all aspects of patent prosecution and patent litigation, including inter partes review proceedings and ex parte reexamination at the United States Patent and Trademark Office (USPTO), patent application drafting and prosecution, intellectual property transactions, portfolio management, and opinion work. Tim has experience working across a variety of technologies, including mechanical engineering, software, medical device, and automotive technologies.

Prior to becoming a patent attorney Tim worked at the USPTO as a patent examiner. Tim examined a variety of business method and software patents pertaining to finance, banking and investment, portfolio selection, electronic trading, and securities bid matching.


Attorney Sid V. Pandit

Mr. Pandit’s practice focuses on patent litigation, where his experience includes jury trials, mediations, International Trade Commission Investigations, and Federal Circuit appeals.  Mr. Pandit has litigated cases on a diverse range of technologies, including telecommunications, E-911, location based services, board games, children’s tricycles, credit card systems, do-not-call lists, vehicle tracking systems, snake anti-venoms, and wireless power management and interference.  While Mr. Pandit has litigated in a number of venues around the country, he appears most frequently in the Eastern District of Texas, District of Delaware, and the Eastern District of Virginia.

Mr. Pandit is registered to practice before the U.S. Patent and Trademark Office, and has filed post-grant requests (including ex parte reexaminations and Inter Partes Reviews) of patents asserted in litigation matters in which he represents alleged infringers.  Earlier in his career, Mr. Pandit used his background in Electrical Engineering to prepare and prosecute patent applications and draft opinions of counsel.

Outside the context of litigation, Mr. Pandit has represented clients with intellectual property issues related to bankruptcy proceedings and mergers and acquisitions.  Most notably, in a prior position, Mr. Pandit represented a client in a $500 million acquisition of an open-source virtualization company.  Through this and other representations, Mr. Pandit has acquired substantial experience with open-source copyright issues, trade secrets, standards setting bodies, and FRAND issues.  Mr. Pandit also represented Grand Central Communications until it was purchased by Google, where its services are now known as Google Voice.

Mr. Pandit has also served as the de facto in-house IP counsel for a telecommunications company, where he supervised outside counsel for both patent prosecution and litigation.  In doing so, Mr. Pandit worked directly with the General Counsel and Chief Technology Officer to supervise and guide strategy related to the company’s patent prosecution and litigation.  Additionally, Mr. Pandit handled typical in-house duties, including reviewing intellectual property related contract issues, billing issues, press-releases, and best practices.

Mr. Pandit enjoys mentoring younger attorneys and law students, and has served as a Clinical Adjunct Professor at the University of Maryland Law School, where he taught a Patent Law Clinic.

Mr. Pandit currently serves on the Advisory Board of a health care technology company.

Prior to entering the legal field, Mr. Pandit worked at the National Institutes of Health in the Laboratory of Cellular and Molecular Neurophysiology, where he researched and wrote on signaling modalities between neurons and glial cells in the nervous system.  In 2002, Mr. Pandit co-authored the article, “Astrocytes in Adult Rat Brain Express Type 2 Inositol 1,4,5-Trisphosphorate Receptors.” (Glia, May 10, 2002).

Mr. Pandit received his B.S.E.E. from the George Washington University in 2001 and his J.D. from the Catholic University of America Columbus School of Law in 2006. Mr. Pandit is admitted to practice in the District of Columbia, Virginia, the U.S. District Court for the Eastern District of Texas, the U.S. District Court for the Eastern District of Virginia, and the U.S. Court of Appeals for the Federal Circuit.  He is also registered to practice before the United States Patent and Trademark Office.


Attorney 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.


Attorney Michael J. Downing

Michael Downing is a registered patent attorney and  brings a wealth of industry experience to the firm, having spent almost a decade working in multinational research and development. Michael’s work centered around the testbed  validation of large-scale, gas turbine engines for energy applications, leveraging high performance computing to evaluate and optimize aerodynamic, thermal, and mechanical designs. This multi-disciplinary work allowed Michael to develop proficiency in a variety of technical fields, including computer programming and software, mechanical engineering, fluid and combustion dynamics, computational fluid dynamics, aeroacoustics, testbed design, toolchain development, high temperature materials, and control systems. Now, Michael practices all aspects of patent prosecution and litigation, focusing on inter partes review proceedings and the prosecution of utility patents.

Michael received his Bachelor of Science from the University of Cincinnati, where he also conducted graduate studies as a PhD candidate specializing in fluid mechanics, computer simulation, and data visualization. Michael also took a focus in German language and spent time living and working abroad in Germany. Prior to becoming an attorney, Michael worked at Maier & Maier as a Patent Agent and Technical Specialist while earning his law degree at George Mason University.


Attorney Daniel J. Ehrlich

Daniel Ehrlich is a registered patent attorney and practices all aspects of intellectual property law, including the prosecution and litigation of utility patents, design patents, and trademarks. Daniel has experience working across a variety of technological disciplines, including mechanical engineering, the Internet of Things, software, electrical and computer engineering, and medical device technologies.

Daniel received his Bachelor of Science degree from Vanderbilt University, where he majored in Engineering Science with a focus in technology based entrepreneurship and minored in Economics. The confluence of his pursuits at Vanderbilt led Daniel to pursue a career in intellectual property law. After graduating from Vanderbilt, Daniel worked as a law clerk for a patent litigation firm in Chicago, Illinois. Daniel continued his education at Villanova University School of Law, graduating cum laude. While at Villanova, Daniel served on the Environmental Law Journal and was a member of the Phi Delta Phi Legal Honor Society.


Attorney Max Kaganov

Max Kaganov is the Office Representative for our Miami office.  Mr. 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.


Attorney Christopher Ohslund

Chris Ohslund is a registered patent attorney and practices all aspects of patent prosecution and patent litigation, including post-grant proceedings at the USPTO, patent portfolio landscape analysis, management, and development, and opinion work. Chris has experience prosecuting patents in a variety of technological fields, including mechanical engineering, robotics and mechatronics, electrical and computer engineering, software, computer-implemented business methods, and medical device technologies.

Prior to becoming a patent attorney, Chris clerked for Maier and Maier as a technical advisor.


Attorney ByungWoong Park

ByungWoong Park is an associate in Maier & Maier PLLC and a registered U.S. Patent Attorney to practice before the Washington, DC Bar (1029594) and before United States Patent Office (L1080).  He is involved in prosecuting patent applications, writing opinions regarding patentability, infringement and freedom-to-operate and IP portfolio building for large and small companies.    Byung’s work focuses Electronics and Computer technologies including display devices, mobile devices, telecommunication standards, semiconductor, computer software, and electric cars.

Prior to joining Maier & Maier, Byung was an engineer in Samsung Electronics, specializing in digital video processing and integrated chip design, verification and fabrication.  He was involved in developing the system on chip for Digital TV and is an inventor of U.S. patent (US7779174).  Byung graduated from Kyungbook National University in Korea with Bachelor of Electronic Engineering.

He is a member of the Washington D.C Bar, and he earned his Juris Doctor from Handong International law school and is recognized to practice before the USPTO.


Attorney 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.


Attorney Patrick G. Wamsley

Patrick Wamsley is a registered patent attorney and practices all aspects of patent prosecution. Prior to becoming a patent attorney, Patrick worked at the United States Patent and Trademark Office (USPTO) as a patent examiner. Patrick specialized in analog to digital converters, data compression, decoders, encoders, filters, serial to parallel converters, and sigma-delta modulators.


Attorney 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.

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