Paul J. Ripp | Partner

Paul J. Ripp is a partner at Williams Barber & Morel LTD. and a member of the firm's commercial litigation, intellectual property, and antitrust practice groups. He focuses his practice on technology issues that arise in litigation involving contract, intellectual property, construction and negligence claims. Mr. Ripp has been selected by his peers for inclusion in Illinois Leading Lawyers for commercial litigation and intellectual property law.

Paul J. Ripp

Mr. Ripp litigates a variety of patent, trademark and copyright cases before state and federal courts and arbitration panels, and provides advice regarding threatened litigation and settlement. Mr. Ripp represents product manufacturers such as Hendrickson International Corporation as both plaintiffs and defendants in disputes involving mechanical utility patents and other patent issues. He is registered to practice before the U.S. Patent & Trademark Office.

In his general commercial litigation practice, Mr. Ripp works with numerous clients and experts in a wide range of industries to develop a thorough understanding of technical and financial issues and to plan litigation strategy. His experience includes arbitrations and trials of disputes involving power plant construction, turbine supply contracts and securities-related professional malpractice.

Mr. Ripp previously worked as an engineer in the nuclear power industry with a focus on instrumentation and controls. His training and experience as a mechanical engineer provide him with a unique ability to evaluate complex technical issues and industrial standards and practices.

Mr. Ripp has managed the firm's participation in the Chicago Bar Association's Municipal Court Pro Bono Program. In that role, he has provided training and guidance to firm associates in the preparation of a case for trial.

Bar Admissions

Illinois Bar, 2003

U.S. Patent & Trademark Office

U.S. District Court, Northern District of Illinois

U.S. Court of Appeals, Federal Circuit


Mr. Ripp received a B.S. in mechanical engineering in 1989, a B.A. in economics in 1990, and an M.S. in mechanical engineering in 1992 from the University of Illinois at Urbana-Champaign. He received his J.D. in 2003 from The University of Chicago Law School.

Representative Matters

Boler v. ArvinMeritor
U.S. District Court, Northern District of Illinois. Prosecution of patent infringement suit on behalf of innovator in the trailer suspension systems industry against industry competitor ArvinMeritor. Resolved following filing of cross-motions for summary judgment.

Boston Scientific Corp. v. Cordis Corp.
U.S. District Court, Northern District of California. Represented defendant in patent litigation relating to medical devices used to treat aneurysms. Case settled shortly before trial.

Molon Motors, Inc. v. Merkle-Korff Industries, Inc.
U.S. District Court, Northern District of Illinois. Represented defendant in patent litigation involving compact DC-powered gear motors for specialized applications. Case settled following motion for summary judgment of invalidity.

Nielsen Media Research, Inc. v. Truck Ads, LLC
U.S. District Court, Northern District of Illinois. Defended mobile advertising startup against copyright infringement claims relating to maps of designated market areas. Case settled on day of pre-trial hearing.

Indiana & Michigan Power Co. v. Siemens
U.S. District Court, Southern District of Ohio. Representing Siemens as defendant and counterclaimant in dispute relating to millions of dollars incurred in the repair of Siemens’ turbines at a nuclear facility. Successfully obtained dismissal of plaintiffs’ breach of contract and breach of warranty claims as initially filed and as amended.

McDavid v. Nike
U.S. District Court, Northern District of Illinois. Represented McDavid and inventor David Taylor in suit seeking damages and injunction for infringement of product and process patents relating to McDavid’s Hex™ pads. Case settled on day of pre-trial hearing relating to inventorship.

SAF-Holland v. Hendrickson
U.S. District Court, Western District of Michigan. Defending Hendrickson in patent infringement suit relating to trailer axle lift assembly technology.

Soverain Software v. Newegg
U.S. Court of Appeals for the Federal Circuit. Represented patent plaintiff in connection with a dispute with trial counsel over representation on appeal. Prepared and filed briefs and obtained order permitting Soverain additional time to respond to briefs and to preclude the filing of amicus curiae briefs.