Charanjit Brahma


San Francisco
Business Phone: 415.477.5713
Business Fax: 415.477.5710


Charan Brahma focuses his practice on patent and other intellectual property litigation, appeals and counseling. He has represented clients in various federal district courts, the Federal Circuit, the Court of Federal Claims and in arbitration.

Charan was a key member of the Troutman trial team that successfully represented Indivior in a bench trial over the Orange-Book listed patents protecting its blockbuster SUBOXONE® film opioid dependence product. He also spearheaded the representation of a major global pharmaceutical company in branded-side Hatch-Waxman patent litigation relating to women's health products, which led to the client's first successful assertion of an Orange Book-listed patent. Charan has represented pharmaceutical companies in Abbreviated New Drug Application (ANDA) litigation related to treatments for Parkinson's disease and diabetes insipidus. He has also represented companies in patent cases and arbitrations relating to software, Internet routing and content delivery technologies, scintillation crystals used in PET scanners, infrared missile seekers, genetically modified crops, industrial automation networking equipment, mobile telephone handsets, and IEEE 1394-compatible computer peripherals.

Charan is an experienced trial attorney, and has conducted direct and cross-examinations of expert witnesses at trial and in arbitration hearings and argued dispositive motions and claim construction hearings. He has also represented clients in preliminary injunction hearings, in appeals before the Court of Appeals for the Federal Circuit and in mediation. Charan also regularly advises clients on IP portfolio development, provides pre-litigation and freedom-to-operate opinions and prosecutes patents relating to a variety of technologies.

Charan previously served as an adjunct professor, teaching the Introduction to Intellectual Property course at the Catholic University of America Columbus School of Law. He currently serves on the Board of Governors of the Alumni Association for the University of California, Hastings College of the Law, the Board of Trustees of the Lowell School, and the Board of Directors of the South Asian Bar Association of Washington, D.C. Prior to joining the firm, he served as a guidance and control systems engineer with the defense systems group of Texas Instruments.

Representative Matters

  • Trial counsel for Indivior in ANDA litigation against generic manufacturers relating to Indivior’s leading opioid dependence treatment product, Suboxone® Film, examining key expert witnesses relating to the validity of Indivior’s Orange Book-listed patents.
  • Trial counsel for global medical imaging company in litigation against key competitor asserting patents related to scintillation crystals used in PET scanners, helping to secure a $50M+ jury verdict and award for the client.
  • Arbitration hearing counsel defending a global industrial automation company against allegations of trade secret misappropriation and breach of contract relating to remote monitoring and control technology, resulting in an award of over $1M in attorneys fees to the client.
  • Defended a content delivery network client in multi-patent litigation that resulted in a full defense jury verdict.
  • Represented a global agricultural chemical company in patent ownership litigation involving three other parties claiming rights to genetically modified crop technology, resulting in a favorable settlement for the client on the eve of trial.
  • Argued an appeal before the Federal Circuit on behalf of appellee seeking reversal of summary judgment of non-infringement based on prosecution history estoppel in a Hatch-Waxman ANDA litigation.
  • Obtained summary judgment of non-infringement and unenforceability due to inequitable conduct on behalf of a generic pharmaceutical client in Hatch-Waxman ANDA litigation.

Recent Publications & Speaking Engagements

  • Co-author, “Myriad: The Supreme Court Isolates DNA Discoveries From Genetic Inventions in Deciding Patent Eligibility,” Intellectual Property & Technology Law Journal, September 2013
  • NASABA Convention June 2013 - Panel: “Intangible, Invisible, Invaluable: Building IP Assets in a Changing World”

Rankings and Recognition

  • Listed, Super Lawyers magazine, Washington, D.C. Super Lawyers, "Rising Star," 2013.

Professional Experience

  • Partner, Troutman Sanders LLP, 2014-present
  • Shareholder, Greenberg Traurig, LLP, 2011-2014
  • Partner, Kirkland & Ellis LLP, 2005-2011
  • Associate, Kirkland & Ellis LLP, 2002-2005
  • Associate, Pillsbury Winthrop LLP, 1999-2002
  • Guidance & Controls Engineer, Texas Instruments Defense Systems Group (now part of Raytheon), 1996



  • University of California, Hastings College of the Law, J.D., 1999
  • University of Michigan, M.S., 1995
  • University of California, Berkeley, B.S., 1994

Bar Admissions

  • California
  • District of Columbia
  • U.S. Patent and Trademark Office

Court Admissions

  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Central District of California
  • Court of Federal Claims