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BSKB has been preparing and prosecuting patent applications for our clients since 1976. Our attorneys have substantial experience in preparing and prosecuting patent applications as well as providing validity and infringement opinions, portfolio management and client counseling in the area of chemistry/biotech, electronics/information technology, and mechanical engineering. Our clients include major manufacturers in a variety of industries, research organizations and universities.

Our reputation in this field is directly attributable to the level of skill among our attorneys and patent agents. A number of our attorneys and agents have worked for corporations, research institutes or the government and have been actively involved in all phases of product development. Many are also former examiners at the U.S. Patent and Trademark Office and have first-hand knowledge of and insight into the procedures and prosecution strategies that help our clients obtain the broadest range of protection efficiently.

BSKB has consistently ranked among the top patent firms in the U.S. for number of patent registrations annually. Our attorneys and agents participate in various domestic and international intellectual property organizations and regularly lecture to groups in the U.S. and abroad. BSKB attorneys and agents are also involved in a number of technical and legal organizations and attend meetings to stay current on the technological and legal advancements in their fields.

 

Attorneys and Professionals

  • Bradford Fritz

    Bradford F. Fritz

    Associate

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  • Charles Gorenstein

    Charles Gorenstein

    Senior Counsel

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  • Maki Hatsumi

    Registered Patent Agent

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  • Greg Hsu

    Greg Cheng-Kang Hsu

    Partner

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  • Seth Kim

    Seth S. Kim

    Partner

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  • Joesph Kolasch

    Joseph A. Kolasch

    Retired Partner

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  • Toyohiko Konno

    Toyohiko Konno

    Registered Patent Agent

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  • Hyuk Jung Kwon

    Hyuk Jung Kwon

    Associate

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Insights

Recent News

  • September 5, 2023

    BSKB Lawyers Recognized as Best Lawyers® Award Recipients

    Birch, Stewart, Kolasch & Birch, LLP is pleased to announce that 4 lawyers have been included in the 2024 edition of The Best Lawyers in America®.

  • June 6, 2023

    USPTO DOCX Announcement

    The U.S. Patent and Trademark Office (USPTO) has delayed the implementation of the non-DOCX filing surcharge until January 17, 2024. In addition, the option to upload a backup PDF version with the DOCX filing of the application has been extended until further notice.

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