Contra Costa County Patents Lawyers

Law Offices of Charles L. Thoeming - Ascendant IP

Patents. Trademarks. Copyrights. Trade Secrets. Safeguarding creativity of the mind.

Lafayette, CA

Ascendant IP is an intellectual property law firm helmed by Charles Thoeming. Based in the San Francisco Bay Area, Ascendant IP practices intellectual property law, including copyright, trademark, trade secrets and patent law for small businesses, startups and law firms across the United States and internationally. Protecting your work is

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Stephen E. Zweig, Patent Attorney

Experienced Ph.D. JD patent attorney and former startup medical device CTO. I handle all types of patent and IP work, from simple to complex. I have obtained over 250+ issued US patents, as well as international patents and trademarks.

Los Gatos, CA

My law firm, PatentAssociate.com, is a solo practice (boutique) intellectual property firm specializing in patent prosecution. I write, analyze, and prosecute US and international utility patents, provisional applications, and design patents. I also handle other IP work, including trademarks, prior art searches, freedom of action searches, and the

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Law Office of Daniel Tagliaferri

Alameda, CA

The Firm's primary mission is to work with clients to obtain patents for individuals and businesses and to plan and strategically assemble client portfolios of protected ideas.

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Rupak Nag

Offering patent consults and drafting/filing services for all technologies and industries except life sciences and biotech.

Greenbrae, CA

One attorney/consultant and one paralegal. Very low overhead to keep client fees low. Work collaboratively with client to draft applications and keep costs down.

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