The attorney and staff of Trenner Law Firm work from their own private home offices. Mark Trenner does not meet with prospective clients. Mark Trenner and his staff are only available to meet with clients of the law firm by prior appointment. In-person meetings may be limited due to availability. Mark Trenner meets with clients at conference rooms reserved through Office Evolution at various meeting locations in Denver and other offices provided by Office Evolution; and at Mark Trenner’s option, at an established place of business of the client or potential client. In-home consultations are not available.


The information and links provided here are intended as GENERAL INFORMATION ONLY. Nothing on this website is to be considered legal advice. You should not take any action based on the information on this website. Please seek the immediate advice of an attorney licensed in your jurisdiction to discuss the facts of a particular situation.


Nothing on this website is to be considered to form an attorney-client relationship. You have not been established as a client of Trenner Law Firm and Mark Trenner does not represent you in any matter. Trenner Law Firm will not take any action on your behalf unless and until you are established as a client.

An Agreement signed and dated by Mark Trenner of Trenner Law Firm is required in order to be established as a client. Even if you do not retain Trenner Law Firm for assistance, you should seek legal counsel as soon as possible in order to avoid losing important legal rights.

DO NOT SUBMIT CONFIDENTIAL INFORMATION to Trenner Law Firm until you are established as a client.


Mark Trenner is licensed to practice as a patent attorney before the U.S. Patent Office, and as an attorney in the state of Colorado. All work is performed under United States Federal Patent and Trademark Laws and the Laws of the State of Colorado.

This website and any communications to/from Trenner Law Firm are not to be considered a solicitation to provide legal services in any other jurisdiction.


Other than photos of attorney Mark Trenner, the photos on this website do not depict actual employees or clients of Trenner Law Firm. For more information about Trenner Law Firm please contact Mark Trenner at 720-221-3708 or via email at [email protected]