• The Firm

    The Firm

    At Senniger Powers, we provide effective and creative strategies that help develop, protect and maximize the value of vital intellectual property assets. We design and implement solutions to complex intellectual property issues that help our clients achieve their business objectives.

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  • Intellectual Property

    From patent preparation and prosecution to trademarks and copyrights, our professionals are devoted solely to the practice of intellectual property law. Additionally, Senniger Powers offers a full array of IP services relation to freedom-to-operate, trade secrects, licensing, infringment, inventorship, due diligence, and antitrust.

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  • IP Litigation

    The attorneys at Senniger Powers have a proven track record of successfully handling a wide range of IP disputes ranging from infringement lawsuits to contested cases before the PTAB and TTAB at the U.S. Patent and Trademark Office. With a strong reputation as successful trial and appellate attorneys, we have the insight to design and implement a winning strategy from the onset of a case.

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  • Strategic Counseling

    Technological innovations can provide significat advantages, and in today's highly-competitive global marketplace thoughtful management of core intellectual property has become an essential component of successful business plans. Whether your goal is entry into a new product market or to protect current market share, we have the practical expertise to help you put together an IP protfolio that makes good economic sense.

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Recent IP Headlines

The Best Lawyers in America 2018 named fifteen Senniger Powers attorneys to its prestigious list.
Once again, Chambers USA has recognized Senniger Powers for its high-quality professionals and expertise in the intellectual property field.
Senniger Powers is participating again this year in the St. Louis Internship Program (SLIP).
On May 22, 2017, the United States Supreme Court issued a unanimous (8-0) opinion in TC Heartland LLC v. Kraft Foods Group Brands LLC that will significantly change the way courts enforce the patent venue statute, giving a patentee less flexibility in choosing venue when asserting its patent.
Senniger Powers partner Paul Fleischut will be presenting an hour-long program on Hot Topics in IP Law for the Corporate Practitioner on Thursday, May 18, 2017.
On May 1, 2017, the Federal Circuit held that the on-sale bar under 35 U.S.C. § 102(b) applies if knowledge of a sale is made public even if the details of the invention are not made public.
Federal Rule of Civil Procedure 68—a seemingly straightforward rule—provides a powerful, yet underutilized tool for any defendant, but particularly a defendant accused of infringing a copyright.
The Spring 2017 edition of The St. Louis Bar Journal features two articles on Intellectual Property issues written by Senniger Powers attorneys.
On March 21, 2017, the Supreme Court in a 7-to-1 decision, ruled that the equitable defense of laches is not available to a patent infringement defendant.
Marc W. Vander Tuig was a co-presenter at the recently-held 2017 Federal Circuit Year in Review seminar at the Bar Association of Metropolitan St. Louis (BAMSL).
In a unanimous decision, the Supreme Court found that Life Technologies Corp. is not liable for infringing a Promega Corp. patent in a situation where it shipped only a single component, Taq polymerase, to a facility in the United Kingdom that created allegedly infringing products.
St. Louis Small Business Monthly has named Robert M. Bain one of the 2017 Top Small Business Lawyers. 
Senniger Powers proudly announces the election of Kurt F. James to Managing Partner effective January 2017.
Senniger Powers is pleased to announce that Elizabeth E. Millard, Ph.D. and William R. Everding have been elected to the partnership effective January 2017.
In a unanimous decision, the Supreme Court reversed the decision of the Federal Circuit that upheld Apple's $399 million award...
On December 2, the U.S. Supreme Court granted a writ of certiorari in the case of Impression Products Inc. v. Lexmark International Inc.
Last month, the Supreme Court heard arguments in a design patent case for the first time in over 120 years. The case centered on the dispute between Apple and Samsung that has lingered since Apple filed suit against its competitor in 2011.
Senniger Powers is pleased to announce that Robert M. Evans, Jr., Michael E. Godar, Kathleen M. Petrillo, and Marc W. Vander Tuig have been selected to the 2016 Missouri & Kansas Super Lawyers list.
Senniger Powers LLP has been selected by U.S. News - Best Lawyers® as a 2017 St. Louis Tier 1 "Best Law Firm" in the areas of Patent Litigation, Patent Law, and Trademark Law.

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