Joseph A. Kolasch

Founding Ptr./Sr. Counsel


Joseph Kolasch has been working in the patent field since 1960, beginning as an Examiner in the U.S. Patent and Trademark Office (USPTO). After leaving the USPTO, he worked for private patent law firms until he started his own firm with Mr. Raymond Stewart in 1971, which became Birch, Stewart, Kolasch and Birch in 1976. Since entering private practice, Mr. Kolasch has developed considerable experience in USPTO practice, including both prosecution and interference practice. He has also developed particular experience in licensing matters, negotiations, trademarks, patent validity and infringement opinions and related matters. Mr. Kolasch has lectured internationally on many occasions both in Europe and Asia.

Mr. Kolasch has prepared and prosecuted patent applications in the fields of general chemistry, organic chemistry, including polymer chemistry, chemical engineering and mechanical engineering.


Speaking Engagements

    Current Speaking Engagements

    Previous Speaking Engagements

  • MaryAnne Armstrong to present at the FICPI Open Forum

    MaryAnne Armstrong to present at the FICPI Open Forum.

    November 05 2020
  • FICPI Virtual Open Forum

    FICPI Virtual Open Forum

    November 04 2020
  • BSKB is a sponsor of the 2020 AIPLA Virtual Annual Meeting

    2020 AIPLA Virtual Annual Meeting

    October 22 2020
  • BSKB to present at FICPI’s “Connect, Share & Grow” series

    FICPI’s “Connect, Share & Grow” Webinar Series.

    September 30 2020


  • November 22, 2020

    Printed publications: an evolving doctrine

    by Eugene T. Perez | Printed publications: an evolving doctrine

    While the PTAB’s decision in Hulu provides some guidance for post-grant proceedings, there is still no bright-line rule as to what constitutes a “printed publication”. Eugene Perez of Birch Stewart Kolasch Birch examines current case rulings.

    Learn More
  • July 24, 2020

    Washington, D.C. NFL Team Loses Race to the Trademark Office: Does it Matter?

    by Michael. T Smith | IPWatchDog

    In surveys throughout the Washington, D.C. metro area, three possible replacement names have emerged as favorites among the fans: Warriors, Red Wolves, and Redtails. Armed with the knowledge of the name change and the relative popularity of the possible replacement names, two enterprising individuals have applied to obtain a federal trademark registration for the marks WARRIORS, WASHINGTON RED WOLVES, and WASHINGTON REDTAILS, respectively. Neither applicant appears to be connected to the owners of the Washington D.C. professional football team.

    Learn More