Lesley M. Hamming

  • 330 North Wabash Avenue, Suite 2800
  • Chicago, IL 60611
  • USA
Profile Experience

Lesley M. Hamming is an intellectual property and patent litigation associate in the Chicago office of Latham & Watkins.

Ms. Hamming has represented companies in litigation for a broad array of technologies, including mechanical and electrical devices, LEDs, consumer goods, e-commerce, medical devices, and pharmaceuticals. She has co-authored successful motions and oppositions to motions in multiple federal district courts and before the International Trade Commission, as well as briefings at the appellate level.

Ms. Hamming is a registered attorney before the United States Patent & Trademark Office (USPTO). She has successfully challenged the validity of patents through inter partes review petitions (IPRs) and has also drafted several chemical, biological, and mechanical patent applications.

Before starting her legal career, Ms. Hamming was an engineer focusing on advanced materials, including composites and biochemistry-inspired materials. While earning her PhD, she was awarded a National Science Foundation Graduate Research Fellowship and was recognized by the Materials Research Society.

During law school, Ms. Hamming was selected as a University Scholar and Mordecai Scholar. She served as an executive editor of the Duke Law & Technology Review and received the James S. Bidlake Memorial Award for Excellence in Legal Analysis, Research, and Writing.

Ms. Hamming is an active member of Latham's pro bono Domestic Violence Clinic.

Ms. Hamming’s recent experience includes representing: 

  • An LED manufacturer successfully defending against accusations of infringing three patents related to LED packaging, with the USPTO finding all three patents invalid 
  • Pharmaceutical companies in parallel offensive and defensive patent cases involving targeted drug therapy with revenues exceeding US$2 billion per year
  • An advanced materials manufacturer and patent holder in an inter partes review proceeding related to military aircraft windows
  • An electronics manufacturer defending against accusations of patent infringement concerning electrical wire technology brought by a competitor before the International Trade Commission, leading to a favorable settlement
  • Several pharmaceutical companies successfully defending against accusations of infringing a patent directed to a combination drug therapy, which was affirmed by the Federal Circuit*
  • A pharmaceutical company in successfully convincing two district courts and the Federal Circuit (twice) to allow the client to launch the first generic drug in a US$600 million per year market*
  • A major retailer successfully defending itself against claims of patent infringement, fraud, unfair competition, and trademark and trade dress infringement related to the development and sale of a consumer product*

*Matter completed prior to joining Latham

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