Firm Profile

Marshall, Gerstein & Borun LLP


6300 Willis Tower
233 South Wacker Drive
Chicago, IL 60606-6357
United States

Firm Details

Marshall, Gerstein & Borun, with over 90 attorneys, patent agents and technical specialists, is ranked as one of the top intellectual property boutique firms in the country. The Firm is at the forefront of intellectual property law as its professionals understand the hard science behind clients’ innovations and how to devise, evaluate and execute intellectual property strategy.  Fortune 500 corporations, small to mid-sized companies, non-profits and inventors turn to Marshall Gerstein for comprehensive intellectual property solutions tailored to their needs.  The Firm protects, enforces and transfers clients’ intellectual property worldwide.

  • Nearly 90% of the Firm’s attorneys and patent agents are admitted to practice before the U.S. Patent & Trademark Office.
  • Nearly 90% of the Firm’s attorneys have science or engineering degrees.
  • Almost half have a Ph.D., M.D., or other advanced technical degree.

The Firm's attorneys enjoy unparalleled technical knowledge and experience pivotal in the protection of some of the most influential intellectual property in the world.


Jeffrey S. Sharp
Managing Partner



  • Amgen Inc.
  • Baxter International
  • CDW Corporation
  • Charter Communications, Inc.
  • Eli Lilly & Co.
  • Emerson Electric Co.
  • Groupon, Inc.
  • Guinness Worlds Records Limited
  • InterMune, Inc.
  • Ludwig Institute for Cancer Research
  • The Procter & Gamble Company
  • UL LLC

About Our Clients

Amgen Inc. 
Aon Corporation 
BASF Group
Charter Communications  
CDW Corporation
Eli Lilly and Co. 
Emerson Electric Co.
Shop-Vac Corporation


Firm Practice Areas

  • Copyright Law
  • Litigation - Intellectual Property
  • Litigation - Patent
  • Patent Law
  • Trade Secrets Law
  • Trademark Law

Firm News & Media

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Office Locations

United States

United States



Chicago, IL

6300 Willis Tower

233 South Wacker Drive

Chicago, IL 60606-6357

United States


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North Carolina

North Carolina

Raleigh, NC

555 Fayetteville Street, Suite 300

Raleigh, NC 27601-3034

United States


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