Gregory M. Lefkowitz

Duane Morris LLP

Gregory Lefkowitz practices in all areas of intellectual property law, including  patents,  trademarks, trade secrets, and copyright law. He represents clients in a variety of industries and technologies, including light emitting diode companies, publishers, flavor and fragrance producers, tool and tool accessory manufacturers, food producers and distributors, cosmetics manufacturers, dental implant and prosthetic producers, refractory material suppliers, and liquid bandages and chronic wound treatment developers.

Mr. Lefkowitz has performed detailed assessments of patent validity, infringement and enforceability issues for litigation matters, and has also counseled clients and drafted opinions in both litigation and pre-litigation scenarios.

He has represented clients in a wide range of intellectual property litigation matters at all levels of the Federal court system, as well as appeals and Inter Partes Reviews before the U.S. Patent Office.

Mr. Lefkowitz has secured hundreds of patents—both domestically and internationally—for clients in a variety of technologies, including chemistry, materials science, mechanical engineering, and biotechnology.

Prior to entering the practice of law, Mr. Lefkowitz was a research scientist at Kimberly-Clark Corporation, where he led teams developing material and chemical technologies and was a co-inventor of five patents.

Mr. Lefkowitz has helped companies in the selection of trademarks as well as the protection and enforcement of trademark portfolios and related rights. He also assists companies in the transfer and licensing of intellectual property rights both individually and as part of large transactions, such as mergers and asset purchase agreements.

Representative Matters:

  • Represented Amici Curiae, including Hewlett-Packard, Abbyy USA Software House and Netapp, in support of a petition for a writ of certiorari from the U.S. Supreme Court.
  • Outside the Box Innovations, LLC, et al. v. Travel Caddy, Inc., et al. (Fed. Cir.). Federal Circuit upheld a lower court ruling that client’s carrying cases for tools did not infringe appellant’s patents.
  • Intelligent Designs 2000 Corp. v. Sprint/United Management Co., et al., 11-cv-00437 (D. Colo.). Represented Home Depot in patent infringement litigation related to cell phone holders. Case settled.
  • Represented Quest Diagnostic in the sale of a stream of royalty revenue from commercialization of the drug candidate Ibrutinib to Royal Pharma for $485 million in cash.
  • Represented numerous nonprofit organizations in their efforts to obtain trademark registrations, as well as protect and defend their rights against third-parties.


  • Supreme Court of the United States
  • Florida
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Southern District of Florida
  • U.S. District Court for the Middle District of Florida


  • University of Florida Levin College of Law, J.D., with high honors, 2006
    •  Research Editor, Journal of Law and Public Policy
    •  Order of the Coif
  • University of Florida, B.S. Chemical Engineering, with honors, 1999


Rate : $$$

What types of cases Attorney Gregory M. Lefkowitz & Duane Morris LLP can handle?
Duane Morris LLP can handle cases related to laws concerning Intellectual Property, Trademark infringement. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Duane Morris LLP located?
Duane Morris LLP is located at 2475 Hanover St, Palo Alto, CA 94304, USA. You can reach out to Duane Morris LLP using their phone line 561.962.2110. You can also check their website
How much would it cost to hire Duane Morris LLP?
Gregory M. Lefkowitz lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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