Best Lawyers in America for Patent Law
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State
Bing Ai Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Bing, who practices law in San Diego, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bing is held by other top lawyers in the same geographic and legal practice area.
Prior to beginning his legal career, Mr. Rettig worked in the automotive industry and held various product engineering and sales positions. He joined an intellectual property law firm in 1988, and concentrated his practice on obtaining and enforcing patents, trademarks and copyrights for clients in various fields, with a particular emphasis in the automotive industry. After practicing for 11 years, he joined a Tier I automotive supplier as Vice President, General Counsel and Corporate Secreta...
Betsy P. Bengtson is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Betsy P., who practices law in Denver, Colorado, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Betsy P. is held by other top lawyers in the same geographic and legal practice area.
Tom is a Shareholder and Chairs the Patents and Intellectual Property Sections. An experienced attorney most active in patent prosecution, portfolio management and providing opinions of counsel, Tom drafts and prosecutes U.S. and foreign patent applications; renders non-infringement, validity, patentability and inventorship opinions; drafts and interprets license, indemnification, employment and non-complete agreements; prepares and prosecutes trademark and copyright registrations; and counse...
Frank G. Long advises clients and represents them in court in matters related to trademarks, trade dress, false advertising, copyright, cybersquatting and trade secrets. His clients include, and have included, Fortune 500 corporations and small businesses, as well as national and international companies, and franchise systems. Frank assists clients with the development, administration and strategies for the protection of intellectual property rights, especially trademarks. He has a wide range...
Steve Feldman is the head of Hahn Loeser’s Intellectual Property Practice Area, the Partner-in-Charge of the firm’s Chicago office and a member of the firm’s Board of Directors. His practice encompasses complex intellectual property litigation, prosecution, licensing, and counseling involving patents, trade secrets, trademarks and unfair competition, copyrights, data privacy and security, and NIL (Name, Image, and Likeness) compliance, policies, and rights. Steve also regula...
Jeff regularly litigates claims for copyright and trademark infringement, unfair competition, false advertising and related claims under both federal and state laws. He also has significant experience handling Internet-related intellectual property issues, such as domain name registration and dispute resolution, and the protection and enforcement of copyrights and trademarks on the Internet. In addition, Jeff extensively counsels and represents clients on the selection, clearance and registra...
BACKGROUND As Managing Partner, Hayley brings a clear vision and collaborative leadership to the firm, guiding its strategic direction while continuing to serve clients with deep expertise in intellectual property (IP) law. She focuses on efficient and effective patent prosecution, licensing, and validity and infringement studies. With a background in electrical engineering, Hayley has successfully advised clients across a broad spectrum of technologies, including electrical, software, and me...
Johnny has represented buyers and sellers in business acquisitions in a multitude of industries, including: software/technology, medical device, building supply, retail, advertising and manufacturing concerns. He previously served as Practice Group Leader for the Business Services Group.
David Cavanaugh has broad legal experience in industry and private practice and provides clients with strategic, business-focused counseling in the procurement, management and exploitation of their intellectual property. He has extensive experience in all aspects of intellectual property practice, including IP litigation, patent procurement, technology transfer and licensing, and due diligence for corporate transactions. Mr. Cavanaugh has developed and implemented intellectual property strate...
Robert N. Potter is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law and Litigation - Intellectual Property. Robert N., who practices law in New York, New York, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert N. is held by other top lawyers in the same geographic and legal practice area.
Arthur Yuan is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Arthur, who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arthur is held by other top lawyers in the same geographic and legal practice area.
Based in Pittsford, New York, Neal Slifkin at Harris Beach Murtha focuses on copyright law, litigation involving intellectual property, patent law, and trademark law. With extensive experience across United States District Courts including Western, Northern, Southern, and Eastern Districts of New York, Neal is well-versed in handling complex intellectual property issues, such as patent, trademark, copyright, and trade dress disputes. Neal's practice involves supporting clients across diverse ...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.