Areas of Practice

Patent & Patent Prosecution

Greensfelder represents both businesses and inventors in obtaining, prosecuting, protecting, and maintaining patents on a worldwide basis. Our attorneys are experienced in all phases of prosecution of patents, including reissues, reexaminations, interferences, continuations, protests, patent appeals, and foreign oppositions. Additional services we provide include:

  • Patentability, validity, infringement and right-to-use opinions;
  • Counseling on whether, when, and in which countries to file patent applications, and how those decisions may impact business strategies; and
  • Structuring and enhancing patent portfolios.

Scientific disciplines for which we have experience in prosecuting patents include: chemical; pharmaceutical; semiconductor materials and devices; biotech; mechanical systems and devices; computer science, systems and software; medical devices; electronic devices and circuits; surgical and medical systems and devices; hydraulics; and animation technologies.

For matters outside of the United States, and for certain matters requiring additional technical experience, we collaborate with our global network of Meritas affiliated law firms to assist in the prosecution, protection, and maintenance of our clients’ patents.

In addition to providing a full-suite of patent prosecution services, the Firm’s Technology Transactions Practice Group assists clients in the exploitation of their patent portfolios, including through manufacturing and distribution of products embodying their inventions, out-licensing, and technology transfers.

For additional information regarding the Intellectual Property Practice Group, please contact M. Spencer Garland at (314) 516-2613 or

Attorneys / Patent & Patent Prosecution

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