Education & Honors

Yale Law School, 1994, J.D.

Connecticut Bar Foundation Fellow

Coker Fellow

Editor-in-Chief, Yale Journal of Law and the Humanities

Senior Editor, Yale Law Journal

Oxford University, Oxford, England, 1987-1990

Rhodes Scholar

Georgetown University, 1986, B.A., magna cum laude

Phi Beta Kappa

Alpha Sigma Nu

Outstanding Student in Student Activities Award

Coakley Medal & Spronck Medal (recognizing greatest combination of academic achievement and extracurricular leadership, one voted by students, one by faculty)

Student Body President

Government service

Judicial Law Clerk, Honorable Alex Kozinski, United States Court of Appeals for the Ninth Circuit, 1994-1995

Bar admissions


Professional activities and community service

Former Adjunct Faculty, Northwestern University School of Law

Chicago Shakespeare Theater, Immediate Past Treasurer, Member of Board of Directors and Finance Committee

Jesuit Volunteer Corps, Former Member of Board of Directors

Mark S. Ouweleen

Chicago Office
Courthouse Place
54 West Hubbard Street, Suite 300
Chicago, IL 60654
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Professional Practice

Bartlit Beck LLP, 1995-Present, Partner (since 2000)

Cases tried or otherwise taken to judgment

Network-1 v. Hewlett Packard Enterprise (E.D. Tex. 2017)
Trial counsel for defendant Hewlett Packard Enterprise in a week-long patent jury trial involving Power over Ethernet technology (E.D. Tex.; Judge Schroeder).  Won a defense verdict, in which all asserted claims of the patent were found not to be infringed, and also found to be invalid.

Cloud Satchel v. (D. Del. 2014)
Represented in patent infringement case relating to document database and retrieval technology and the Kindle portable reader.  Won summary judgment of invalidity.  Affirmed by the Federal Circuit.

Microsoft v. Yahoo! (Arbitration, U.S. District Court, Southern District of New York, 2013)
Represented Microsoft and prevailed in an emergency arbitration seeking a preliminary injunction ordering Yahoo! to transition to Microsoft’s Bing Ads in Taiwan and Hong Kong.  Defeated Yahoo!’s petition to vacate award in federal court.

Sensormatic Electronics Corp. v. The TAG Company US LLC et al.
Represented Sensormatic in four week patent trial, Summer and Fall 2008, U.S. District Court in West Palm Beach.  Hired to replace former trial counsel on eve of trial.  Won complete victory for our client.

Dedrick v. Merck Inc.
Represented Merck.  Plaintiff claimed Merck’s Vioxx pain relief medicine caused plaintiff’s heart attack.  Won unanimous jury verdict for Merck on all issues after two-week jury trial in New Orleans Federal Court.

EMC Corporation v. Hewlett-Packard Company, Inc.
Represented defendant Hewlett-Packard patent litigation relating to data storage systems.  Case settled after jury trial.

Combustion Engineering, Inc. v. Imetal v. ABB
Represented Combustion Engineering and ABB in breach of contract action against Imetal arising out of assumption of liabilities in a stock purchase agreement.  Obtained summary judgment in favor of CE and ABB on affirmative $30 million-plus contract claim and dismissing all of Imetal’s counterclaims.  Affirmed in part and remanded in part on appeal.  Remainder of case won on remand.

Chromalloy Gas Turbine v. United Technologies Pratt & Whitney (District Court of Bexar County, Texas)
Represented Pratt & Whitney in antitrust suit brought by world’s largest independent engine-repair company for alleged monopolization.  Chromalloy sought $600 million in trebled damages.  Jury trial for 3-½ months in August-November 1996.  Case won.  Jury verdict for Pratt & Whitney allowing no damages.  Judgment affirmed on appeal.

Other representative cases

Xarelto Personal Injury Litigation
National counsel for Bayer in defense of lawsuits alleging personal injuries caused by the novel oral anticoagulant Xarelto.

Schindler Elevator v. Otis Elevator (D.N.J.)
Represented Otis in patent infringement lawsuit concerning belts used on elevators.  Case settled.

Vioxx® Consumer Class Action Litigation (Circuit Court, Jackson County, Missouri)
Represented Merck in Plubell class action, brought on behalf of Missouri consumers alleging economic losses relating to purchase of Vioxx®.

YAZ®/Yasmin® Personal Injury Litigation
National counsel for Bayer in defense of lawsuits alleging personal injuries caused by YAZ and Yasmin oral contraceptives.  Cases pending in Federal MDL and several states.

Sunstar, Inc.  v. Alberto-Culver Co. 
Represented Sunstar, a leading Japanese manufacturer of consumer products, in trademark and contract dispute involving sale of VO5 hair care products in Japan.  Took over case on appeal after client lost jury trial.  Won appeal in the Seventh Circuit.

Int’l Union of Operating Engineers Local #68 Welfare Fund v. Merck Inc.
Represented Merck in class action lawsuit brought by payors of prescription benefits, who alleged economic losses relating to purchase of Vioxx.  Case settled after New Jersey Supreme Court reversed class certification.

RealNetworks Inc. v. Microsoft Corp.
Represented RealNetworks in antitrust suit concerning digital media and operating system markets.  Resulted in $761 million settlement for RealNetworks.

RealNetworks, Inc. v. DVD CCA, et al.
Represented RealNetworks in preliminary injunction proceedings in which movie studios claim that RealNetworks “RealDVD” product violates the Digital Millenium Copyright Act, and sought to enjoin its distribution.

Bradburn Parent Teacher Store v. 3M Company
Represented 3M in antitrust litigation brought by class of retailers concerning transparent tape.  Case settled favorably prior to trial.

Sportvision, Inc. v. Princeton Video Image, Inc.
Represented Princeton Video Image, Inc. in patent case concerning insertion of video images, such as billboards and first & ten line, into live broadcasts.  Case settled favorably after preliminary injunction hearing.