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Patent & IP litigator & trial attorney

Listens to & collaborates with clients on litigation strategy upfront

Understands business pressures & relevant technology

Loves working with inventors

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Sri K. Sankaran

p (612) 604-6753   f (612) 604-6953 
University of Michigan Law School, J.D., cum laude, 1989
University of Chicago, B.A., with honors, 1986
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Sri K. Sankaran is an experienced trial lawyer who helps clients in a wide range of cases involving intellectual property.

Sri believes it is important at the outset to identify exactly what is at stake in the case, to weigh the business risks and opportunities, and develop an appropriate strategy based on the client’s needs and desires. His approach to litigation focuses on listening and collaborating with clients to develop a case theory that is coherent, consistent and persuasive to the judge or jury. Sri understands the complexities and intricacies of intellectual property issues, as well as budget pressures facing companies today.

Sri has handled patent infringement cases in a variety of fields, including software, communication networks, pharmaceuticals and nutritional supplements. He has also litigated copyright, trademark, trade secret and unfair competition matters. From 2014-2017, Sri was recognized as an "IP Star" by Managing Intellectual Property magazine, and has been named to The Best Lawyers in America© since 2015.

Outside of work, Sri lives in Minneapolis, MN, and enjoys gardening, traveling, and spending time with his wife and two children.

Bar Admissions
U.S. District Court for the Eastern District of Texas
U.S. Court of Appeals for the 5th Circuit
U.S. Court of Appeals for the 8th Circuit
U.S. Court of Appeals for the Federal Circuit

Representative Litigation
Advanced Research Corporation v. IBM, Fujifilm & Oracle (U.S. International Trade Commission & D. Minn.): Represented plaintiff in patent infringement matter relating to formatted magnetic data storage tapes; settled during trial.

Soft-Gel Technologies, Inc. v. Jarrow Formulas, Inc.
(C.D. Cal.; Fed. Cir.):  Won summary judgment of noninfringement on patent relating to self-nanoemulsified drug delivery system; affirmed on appeal.

Use Techno Corp. v. Soft-Gel Technologies, Inc.
(N.D. Cal.): Won summary judgment establishing that plaintiff’s patent on a corosolic acid composition for treatment of diabetes was invalid for lack of enablement and unenforceable due to inequitable conduct; won summary judgment dismissing claims of unfair competition; won award of $157,000 in attorneys’ fees.
American Registry of Radiologic Technologists v. Hansen (C.D. Cal.): Obtained permanent injunction and $250,000 judgment against preparation course that copied questions from plaintiff’s examination used to qualify individuals for state licensure as radiation therapists.

Cargill, Incorporated v. Salt Creek, Inc. (S.D. Fla.): Won jury verdict of willful infringement and award of treble damages in action for infringement of patent on animal feed.

Geo. M. Martin Co. v. Alliance Machine Systems International, Inc. (N.D. Cal.; Fed. Cir.): Won judgment, after jury trial, that plaintiff’s patent on machine used in cardboard manufacture was invalid; affirmed on appeal.

Medeva Pharmaceuticals, Inc. v. Morton Grove Pharmaceuticals, Inc. (N.D. Ill.): Represented plaintiff in Hatch-Waxman Act litigation relating to generic version of patented oral prednisolone; settled.

Visto Corp. v. Sproqit Technologies, Inc., (N.D. Cal.): Successfully opposed motion for preliminary injunction relating to patent on wireless data communication networks; plaintiff granted covenant not to sue after court issued preliminary claim construction favorable to defendant.

Fair Isaac Corp. v. International Business Machines Corp. (D. Minn.; S.D.N.Y.): Represented plaintiff in action for infringement of patent relating to decision making software; settled.

Transcom, Inc. v. Universal Motion Components, Inc. (D. Neb.): Won preliminary injunction against infringement of patent on mechanical seals for a gearbox; settled thereafter.

Normark Corp. v. THQ, Inc. (D. Minn.): Represented plaintiff in action for trademark infringement and unfair competition; settled.

CellNet Data Systems, Inc. v. Itron, Inc. (N.D. Cal.; Fed. Cir.): Won summary judgment of noninfringement on patent relating to fixed network communications system; affirmed on appeal; won award of $800,000 in attorneys’ fees.

Davis v. The Walt Disney Company (D. Minn.; 8th Cir.): Represented defendant in action alleging trademark infringement, copyright infringement, unfair competition and defamation; won summary judgment or dismissal on all claims; affirmed on appeal.

Knopik v. ExxonMobil Oil Corporation (D. Minn.; Fed. Cir.): Won summary judgment of noninfringement on patent relating to soil vapor extraction; affirmed on appeal.

Magnum Research, Inc. and SoftAir USA v. Ho Feng Industries (D. Minn.): Obtained permanent injunction and judgment of more than $2 million for infringement of DESERT EAGLE trademark and trade dress in Desert Eagle firearm.

Garber v. Chicago Mercantile Exchange (N.D. Ill.): Represented defendant accused of infringing patent on system for electronic trading; complaint dismissed with prejudice prior to claim construction hearing.

CyberOptics Corp. v. Yamaha Motor Co.
(D. Minn.; Fed. Cir.): Represented plaintiff manufacturer of optical sensors in litigation relating to patent inventorship and theft of technology; settled.


February 23 - March 29, 2012
Savvy Entrepreneurship Series - TiE Minnesota


  • Minnesota Asian Pacific American Bar Association


  • The Best Lawyers in America©
    • Litigation - Intellectual Property, 2015-2018
    • Litigation - Patent, 2015-2018
  • Ranked as an "IP Star," Managing IP, 2014-2017
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