Armstrong Teasdale LLP
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Patent, Trademark and Other IP

Armstrong Teasdale LLP offers a significant full-service intellectual property practice. We counsel clients about protecting inventions, prepare and prosecute patent applications, and conduct patentability, non-infringement, and validity studies. In addition, we assist clients in the development and management of patent portfolios, conduct due diligence studies with respect to acquisitions and provide infringement investigation services.

We assist clients with the selection and screening of new trademarks, service marks, and trade names, and register and maintain their trademarks worldwide. We counsel clients about copyright protection, and register copyrights on all types of work from the visual arts to computer programs and any other types of literary work. We negotiate and draft disclosure agreements, manufacturing agreements, technology transfer agreements, license agreements and joint ventures, domestically and abroad. We also counsel clients regarding advertising compliance and related issues.

We bring and defend litigation concerning all aspects of intellectual property in both state and federal courts, including patents, trademarks, copyrights, trade secrets and confidential information, unfair competition and false advertising. We assist clients in seeking and defending in temporary restraining orders, preliminary injunctions and ex-parte seizures.

Pratice Highlights
  • Armstrong Teasdale was named as one of the top patent law firms in the country according to the article "Top Patent Firms" in the March 2007 issue of Intellectual Property Today magazine. The special issue ranked Armstrong Teasdale at #115, out of the 353 law firms/individuals listed nationwide. The list was comprised based the number of utility patents issued in 2006.

  • Preparation and Prosecution Of Patent Applications In All Fields

  • Conduct patentability, non-infringement, clearance and validity studies

  • Assist clients in the development and management of patent portfolios

  • Conduct IP due diligence studies with respect to acquisitions

  • Trademark Selection and Screening

  • Worldwide Trademark Registration and Monitoring

  • Copyright Counseling and Registration

  • Advertising Compliance

  • Trade Secret Protection Programs

  • Computer Software Protection and Licensing

  • Domestic and International Licensing

  • Intellectual Property Litigation in State and Federal Courts, Including Preliminary Injunctions, TRO's and Seizures

Members of the Patent, Trademark and Other IP Practice Group

Patent Engineers
Whom to Contact

Patrick W. Rasche
(Patents)
314-621-5070 ext. 7263
Send email | More info

Andrew B. Mayfield
(Trademarks, Copyrights, Advertising)
314-621-5070 ext. 7945
Send email | More info

David B. Jennings
(Licensing)
314-621-5070 ext. 7231
Send email | More info

Jack H. Quinn
(IP Litigation)
314-621-5070 ext. 7214
Send email | More info

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