Law Offices of Charles L. Thoeming

Law Offices of Charles L. Thoeming

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

Firm Overview

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. Legal services include litigation in federal courts and/or the U. S. Patent & Trademark Office for intellectual property disputes.

Protecting your work is all we do.
Main Office

Golden Gate Legal Centre
3443 Golden Gate Way, Suite H
Lafayette  CA  94549

  • (925) 385-7190
  • (855) 312-4463


Free Initial Consultation?

Reduced rate of US$200 for the first hour.

Services Offered For Fixed Fees?

U.S. patent, trademark and copyright application preparation and filing, excluding drafting and governmental filing fees, and post filing issues.

Hourly Rates

US$350.00 for non-litigation matters; US$450.00 for litigation

Office Information

Office Hours

9am - 5pm

Office Manager

Gretchen Goodspeed

Emergency After Hours


Languages Spoken


How did your firm decide on the primary area of practice(s)?

Background in engineering, finance and law provides the ideal platform to represent clients in intellectual property counseling and legal advice, including application for trademark or copyright registration or U. S. Letters Patent.

What experience or education distinguishes your lawyers from others?

Experience as a chemical engineer and financial auditor with Fortune 500 Companies and over thirty years legal experience provides a solid background for representing clients' intellectual property matters in governmental agencies and U.S. Courts.

What distinguishes your law firm from others?

Action based upon the will to do what ought to be done to advance Client's intellectual property rights. Practice with passion.
Clients trust my counseling and advice which is predicated on responsibility, perseverance, commitment to excellence, courage, creativity, and high ethical and moral standards. Applying these characteristics to bring fulfillment, integration and coherence in line with the Client's goals and objectives for intellectual property.

Charles Thoeming

Practice with Passion
Defending works of the mind is a challenging task left to only the most passionate of lawyers. Intellectual property lawyers must respect the contributions and innovations of individuals and businesses, possess a deep understanding of the law and have the willingness to do everything it takes to fight for intellectual property rights.

Principal of Ascendant IP, Charles L. Thoeming, is an intellectual property lawyer with decades of experience in law, business and chemical engineering. Offering counseling and advice predicated on responsibility, perseverance, commitment to excellence, courage, creativity and high ethical and moral standards, Charles Thoeming practices with passion and the will to do what ought to be done to further a client's intellectual property rights.

Each case is undertaken with a distinct knowledge of client goals and expected outcomes. Working successfully on all aspects of IP law, including patents, trademarks, copyrights and trade secrets, clients have come to trust Charles Thoeming's understanding of the complex aspects of intellectual property representation. Additionally, he specializes in patent prosecution, patent litigation, patent reexaminations and business method patent trials, trademark prosecution, trademark litigation, trademark cancellations, trademark oppositions, and IP audits.
With Ascendant IP, you can spend more time focusing on creating and less on navigating the complexities of intellectual property law. If you'd like to schedule an appointment for a consultation, contact Ascendant IP today.

Bar Admission
California; Texas; All United States District Courts, California and Texas; United States Court of Appeal, Fifth, Ninth, and Federal Circuit; United States Court of Claims; United States Supreme Court

Registered Patent Attorney U.S. Patent and Trademark Office; U. S. Patent Trial and Appeal Board; and U. S. Trademark Office Trial and Appeal Board.

Charles Thoeming

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