About Us

Proactive and Personalized Planning

Over 30 Years Experience

Small Business Feel with Big Firm Results

The Firm

Located in Westlake Village, California on the border of Ventura County and Los Angeles County, the law offices of Tamara L. Harper, APC provides legal services to clients throughout the state of California. Tamara L. Harper has been in practice since 1994.

Tamara L. Harper

JD, Attorney, AEP®

The law offices of Tamara L. Harper, a Professional Corporation is a thriving and comprehensive asset protection, business law and estate planning law firm in Westlake Village. Tamara and her staff chart the waters giving peace of mind to business entrepreneurs and inventors who desire to protect their assets, ideas and wealth by showing how to limit liability exposure, register and protect intellectual property and sail the seas of corporate and employment regulation in a proactive manner to be in the best possible position to weather the storms ahead. 

Since 1994 Tamara has used her trial litigation skills in her drafting of legal documents and in educating clients to be proactive in their planning focusing on asset protection, which includes wealth protection, family protection, brand protection and business protection and places an emphasis on personalized attention and affordable rates.

Tamara and her staff take a proactive approach to asset protection and are passionate about educating clients to ensure their understanding of their matter, whether it is negotiating business matters, creating new business entities, registering and protecting intellectual property, recommending and drafting estate planning designs, or educating clients on paths forward to achieve asset and wealth protection.

Our Mission

Navigating entrepreneurs and businesses to safe harbors through the tides of corporate, employment, business, trademark and estate planning to limit liability exposure and protect your wealth and assets so you can sail the seas to weather the storms ahead.

Karen L. Stiehl​

JD, Attorney, Of Counsel

Karen worked in the mortgage and banking industry for nearly 2 decades.  Her areas of focus included corporate governance, risk analysis, audit management and business control compliance.  She is a proven leader who successfully builds sustained client relationships, and she can quickly adapt to challenges and transforming environments.  Karen joined Tamara L. Harper, A Professional Corporation, as an Of Counsel Attorney in 2020.  Her areas of focus include Estate Planning and Trust Administration. 

Estate Planning, Asset Protection, Trust Administration

Karen L. Stiehl

JD, Of Counsel Attorney

Corporate, Business & Contracts

Sheena E. Workman

Law Clerk, Executive JD

Leanne J. Collier

Office Manager, Paralegal

Notary, Estate Planning, Trademarks

What clients are saying…

“Where Tamara L. Harper far exceeds others in her profession, is her ability to communicate and respond promptly while treating her clients with the utmost of respect; she’s a “hands-on” attorney who gets things done quickly and is an “out of the box” thinker with outstanding creativity.”

“Motivated, knowledgeable, deadline-oriented, and a creative problem-solver displaying excellent legal skills”

“Extremely detail oriented and has excellent negotiating and communications skills”

“Takes the time to fully explain the issues and provide various solutions”

In-House Legal Counsel

Prior to entering private practice, Ms. Harper served as Director of Corporate Compliance and Commercial Leasing, as well as manager of trademarks, both domestic and international, and copyright compliance, for Kinko’s Service Corporation, Inc., now FedEx Corporation. She also served as in-house corporate counsel to one of California’s largest labor staffing corporations focusing upon employment law, ERISA regulations, EEOC compliance and business contracts.

Litigation and Trial Counsel

Tamara Harper has extensive experience in all aspects of litigation in state and federal courts, administrative hearings, appeals, arbitrations, mediations and the USPTO Trademark Trial and Appeal Board. As a previous general partner and managing a firm with four offices in two counties with a staff of fifteen, she has conducted trials and hearings in the California Superior Court, Appellate and District Courts calling both Ventura and Los Angeles her home courts. Ms. Harper also has experience in litigation before the Santa Barbara Superior Court while serving as counsel and associate attorney to Santa Barbara corporations and a Santa Barbara law firm. Ms. Harper has also civilly prosecuted perpetrators of domestic violence through a Department of Justice grant under the Violence Against Women Act protecting victims of domestic abuse.

Proactive Legal Advice

Tamara Harper’s legal practice emphasizes advising clients proactively on all aspects of employment law issues, including executive compensation contracts, stock option plans, officer and director liability, wage and hour and overtime compliance, employment handbooks, and investigations and audits. She also advises business entrepreneurs on intellectual property registration, protection and licensing, corporate governance and compliance, asset protection and legacy planning.

Get a Personal Consultation


141 Duesenberg Drive, Suite 7B
Westlake Village, CA 91362



Open Hours

Monday-Thursday 9am - 5pm
Friday 9am - 12pm
Wednesdays and Friday afternoons are reserved for focused work production times

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