Chipperson Law Group

Chipperson Law Group, P.C. is an Intellectual Property law firm with its headquarters in Morristown, New Jersey. The firm maintains additional offices in Princeton, New Jersey, and New York, New York. Described as a smaller firm, it emphasizes direct involvement of senior attorneys in client matters, positioning itself as an IP boutique rather than a large full-service firm. No current AmLaw or Chambers rankings for the firm were reliably sourced.

The firm's patent litigation practice specializes in a broad range of technology areas, including business method, electrical, mechanical, Internet, and software patents. Its litigation experience extends to diverse industries, as demonstrated by its representation of clients in areas such as automation systems, communication systems, data compression, and wireless recording technologies.

Chipperson Law Group primarily represents defendants in patent disputes. All tracked appearances show the firm acting on the defendant's side, with no recorded plaintiff-side engagements. A notable client in this regard is Zaxcom, Inc., a professional audio equipment innovator.

The firm has secured significant outcomes for its clients, particularly in post-grant proceedings. Chipperson Law Group achieved a complete victory for Zaxcom, Inc. in four inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB) against RØDE Microphones, LLC and Freedman Electronics Pty Ltd. This included a unanimous 3-0 Final Written Decision on June 11, 2026, preserving challenged claims related to Zaxcom's wireless audio patents (U.S. Patent Nos. 7,711,443 and 10,276,207). Additional IPR challenges against Zaxcom's patents were also successfully defended, with one petition (IPR2025-00557) denied institution on September 30, 2025, and another (related to U.S. Patent No. 7,929,902) dismissed as time-barred on August 21, 2025.

The firm has a notable PTAB/IPR defense practice, with its successful defense of Zaxcom against multiple IPR petitions. Rita C. Chipperson, a Principal at the firm, is a key leader in the IP litigation practice, concentrating on patent, trademark, copyright, unfair competition, and trade secret matters, including litigation. She was lead counsel in the major patent disputes and IPRs involving Zaxcom.