Panitz & Kossoff, LLP Federal and Tax Litigation, Corporate Tax Counsel, Estate Planning, Probate, and Trust Law
Federal Tax Litigation
Willams vs. United States
Corporate and Tax Counsel
Estate Planning
Probate & Trust Administration
Business Succession Planning
Probate & Trust Litigation
Tax Collection
Business Litigation
Firm Blog
Experienced Tax Litigators & Estate Planning Attorneys

Experienced Federal Tax Litigation and Estate Planning Attorneys

Welcome to Panitz & Kossoff, LLP. Our website is designed to serve your needs quickly and efficiently. We are highly specialized attorneys in the fields of tax and corporate law and estate planning, and if you are anything like us, we know your time is extremely valuable and you need answers quickly. Therefore we will keep this introduction brief and concise and will direct you from this location to precisely where on our website you need to go.

Philip Panitz speaking in front of U.S. Supreme Court

Original painting done by CNN sketch artist of Philip Garrett Panitz arguing to the United States Supreme Court in Williams vs. U.S.

Nationally, we are know as “Federal Tax Litigators.” If your needs are in this area, please click on the buttons on the left solely dedicated to our Federal Tax Litigation practice. We litigate Federal Tax cases across the United States.

We are also recognized for our comprehensive Estate Planning, Probate and Trust Administration. If your needs are in this area, please click on the button on the left solely dedicated to our Estate Planning, Probate and Trust Administration practice.

In addition to our national tax litigation practice and Estate Planning, Probate and Trust Administration, we also serve as outside corporate and tax counsel to many California corporations, and in that capacity for our California clients or those in need of representation in California solely, we direct you to our corporate and tax counsel practice area button on the left.

In 1995, Philip Garrett Panitz argued the case of William vs. United States, which was decided in the United States Supreme Court in 1995. If you are interested in this case, its history or ramifications, please click on the button “Williams vs. United States.”

Speaking of our founders, clicking on “Our Founders” will give you the full background of Philip Garrett Panitz and Kenneth W. Kossoff. Mr. Panitz is our chief Federal Tax Litigator and is involved in each of our Federal Tax Litigation cases. Mr. Kossoff heads up our Estate Planning, Probate and Trust Administration departments.

Our tax attorneys also represent companies and individuals who are in California and are currently in collection with any state taxing agency. Our tax attorneys represent taxpayers in California in their battles with any and all of the state tax agencies. For this area of our practice, click on the “Tax Collection” button on the left.

Should you or your company be in need of any of our services, please feel free to contact us by telephone, e-mail or by using the button above entitled “Contact us”. Thank you.


Contact Panitz & Kossoff, LLP Toll Free: (877) FED-TAXS

Federal Tax Litigation & Estate Planning Attorneys
Contact Panitz & Kossoff, LLP

Professional Web Design The information on this website is for general information purposes only. Nothing on this or associated pages, documents, comments, answers, emails, or other communications should be taken as legal advice for any individual case or situation. This information on this website is not intended to create, and receipt or viewing of this information does not constitute, an attorney-client relationship.

Address: 5743 Corsa Ave. Suite 208 Westlake Village CA 91362 Phone: (805) 379-1667 | (818) 865-0766 Fax: (805) 379-1668
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