| (314) 238-2400
Follow PL: Linked-In

McPherson D. Moore

McPherson D. Moore


View V-Card



Before joining Polster Lieder in 1995, Mr. Moore worked as a Design Engineer for Newport News Shipbuilding & Dry Dock Company (a division of Tenneco) in Newport News, Va. His work in Newport News concerned the conversion of submarine missile launching systems from Polaris Missile to Poseidon Missile accommodation.  He also worked as a Project Engineer in testing and problem solving concerning processes, systems and machinery for International Paper Company in Pine Bluff, Ark.  Mac chaired the Intellectual Property Department at a large St. Louis general practice law firm, and prior to that was a partner with the St. Louis intellectual property law firm Rogers, Howell, Moore & Haferkamp.

Mac focuses his practice on litigating patent, trademark, trade dress, unfair competition, franchise, trade secret and copyright cases from the plaintiff’s and defendant’s standpoint.  He has represented clients in litigation resulting in awards of $1,000,000 or more.  This includes a $15,000,000 verdict for patent infringement in the Eastern District of Missouri, one of the largest patent infringement verdicts in Missouri.

He also concentrates his practice on the preparation and prosecution of applications for patents, trademarks and copyrights in the U.S. and foreign countries.  Mac prepared and prosecuted in the Patent Office U.S. Patent No. 5,025,372 awarded to Meridian Enterprise Corp. entitled “SYSTEM AND METHOD FOR ADMINISTRATION OF INCENTIVE AWARD PROGRAM”.  This was one of the earliest business method patents utilizing a computer program.  The Meridian Patent was tested in litigation, including an award in Meridian’s favor of $21 million dollars in U.S. District Court.  Mac also drafts intellectual property agreements including licenses, assignments, nondisclosure agreements, consulting and independent contractor agreements, agreements on employee obligations and covenants not to compete.

Practice Areas:

Patent, trademark, trade dress, unfair competition, false advertising, franchise, trade secret, copyrights, and litigation, as well as Internet and cyberspace matters including those compelling the transfer of domain names ownership.

Mac’s practice also includes related antitrust issues as well as searches and analysis of title, liens and ownership rights in intellectual property.


Juris Doctor: University of Arkansas; Phi Alpha Delta
Bachelor of Science: Mechanical Engineering, University of Mississippi

Industry Experience:

Animal feeds and feeding apparatus; air purification systems; agricultural and farm equipment; automobile equipment; blood transfusion and blood pool imaging equipment; building and construction products; camping equipment; clothing; electrical equipment and products; food preparation equipment; furniture; footwear; fungi culturing systems; gynecological products; heat exchanging and recovery systems, and energy conservation systems; human food cooking and warming systems, and beverage heating systems; hotel service systems; household products; incentive award systems; insecticides and herbicides; metal fabrication products; ophthalmologic equipment; orthopedic braces and implants; plastics molding; playground equipment, printing equipment, soft drinks and alcoholic beverages; sports equipment; telecommunications equipment and products; and transportation equipment and services.

Admitted to Practice:

U.S. Patent and Trademark Office

Activities and Bar Associations:

Bar Association of Metropolitan St. Louis (Chairman, Young Lawyers Section, Trial Practice Institute, Member-at-Large, Secretary, Vice President, President and Chairman, Trial Section)
Arkansas Bar Association (Member, Litigation Section, Patent, Trademark and Copyright Section)
American Intellectual Property Law Association
St. Louis Bar Foundation (Secretary; Vice President; President)
The Missouri Bar (Chairman, Patent, Trademark and Copyright Committee, Co-Chair)

Speaking/Written Publications:

“The Consumer and the F.T.C.A.,” The St. Louis Bar Journal.


“General Merchandising Practices Laws,” Missouri Bar Consumer Law and Practice
“Franchise Law Issues Involving Trademark Tie-Ins,” St. Louis Daily Record and The St. Louis Countian
“Trademark, Patent, Trade Secret And Copyright Protection in Franchising,” Bar Association of Metropolitan St. Louis and Kansas City Bar Association, National Franchise Law Institute
“Missouri Uniform Trade Secrets Act,” The Missouri Business Law Quarterly
“Intellectual Property Aspects of Business Organizations, Trade Secrets”, Missouri Bar Business Organizations
“Trademark, Patent, Trade Secret And Copyright Issues In Franchising,” National Business Institute.

Professional and Personal Profile:

Mac has been listed in The Best Lawyers in America for the last 20 years, and is listed in the categories of Litigation-Intellectual Property, Litigation-Patent, and Patent Law.  He has been list in Super Lawyers since its inception.  Mac has been listed in Who’s Who In America; Who’s Who In The World; and Who’s Who Legal USA-Trademarks; and he was the Principal Drafter of the Missouri Uniform Trade Secret Act for which he testified before Senate and House Committees.

He is Vice-Chair of the Zoning and Planning Commission for City of Ladue, and a member of the Washington University Intellectual Property and Technology Advisory Board, and of the Board of Directors for Legal Services of Eastern Missouri.

Mac and his wife Deborah have four children.  Mac has served as a coach for their sports teams over the years.  Mac and Deborah are active with the Church of St. Michaels & St. George where Deborah has served as Director of Lay Ministry and Mac has served a member and Co-Chair of St. Michael’s Houses whose mission is to provide housing and assistance to low income persons and those with mental health challenges.  Mac and Deborah, and their children, have worked together in the buddy system with children in inner city schools.