Insights

Federal Tax Expertise Position the firm as a premier partner for corporations seeking specialized federal tax litigation, appeals, and strategy, highlighting Philip G. Panitz’s extensive trial experience and landmark Supreme Court impact.

Estate Planning Strength Leverage Ken Kossoff’s certification and the firm’s probate, trust administration, and fiduciary liability expertise to target high-net-worth individuals and family offices requiring sophisticated estate planning and administration services.

Outside Counsel Value Promote capabilities as outside corporate and tax counsel for California-based companies, emphasizing services in formation, M&A, reorganizations, shareholder agreements, and cross-border or intra-state tax planning.

Boutique Focus with Reach Even as a small firm, emphasize national recognition in federal tax litigation while offering personalized, scalable legal support to clients needing trial experience combined with estate planning and corporate tax services.

Tech & Reach Highlight utilization of modern tech stack to support efficient client service and remote collaboration, presenting opportunities to offer enhanced virtual advisory packages and scalable engagement models.

Panitz & Kossoff, LLP Tech Stack

Panitz & Kossoff, LLP uses 8 technology products and services including AudioEye, iCIMS, jQuery, and more. Explore Panitz & Kossoff, LLP's tech stack below.

  • AudioEye
    Accessibility
  • iCIMS
    Applicant Tracking Systems
  • jQuery
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • Office 365
    Office Suites
  • Bootstrap
    UI Frameworks
  • Microsoft IIS
    Web Servers
  • Nginx
    Web Servers

Panitz & Kossoff, LLP's Email Address Formats

Panitz & Kossoff, LLP uses at least 2 format(s):
Panitz & Kossoff, LLP Email FormatsExamplePercentage
First@pktaxlaw.comJohn@pktaxlaw.com
60%
F.Last@pktaxlaw.comJ.Doe@pktaxlaw.com
20%
FLast@pktaxlaw.comJDoe@pktaxlaw.com
20%

Frequently Asked Questions

What is Panitz & Kossoff, LLP's phone number?

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You can contact Panitz & Kossoff, LLP's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Panitz & Kossoff, LLP's official website and social media links?

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Panitz & Kossoff, LLP's official website is pktaxlaw.com and has social profiles on LinkedIn.

How much revenue does Panitz & Kossoff, LLP generate?

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As of August 2026, Panitz & Kossoff, LLP's annual revenue is estimated to be <$1M.

What is Panitz & Kossoff, LLP's SIC code NAICS code?

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Panitz & Kossoff, LLP's SIC code is 8111 - Legal Services NAICS code is 54111 - Offices of Lawyers.

How many employees does Panitz & Kossoff, LLP have currently?

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As of August 2026, Panitz & Kossoff, LLP has approximately 5 employees across 1 continents, including North America. Key team members include Manager: D. L.Member: A. N.Unknown: P. P.. Explore Panitz & Kossoff, LLP's employee directory with LeadIQ.

What industry does Panitz & Kossoff, LLP belong to?

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Panitz & Kossoff, LLP operates in the Law Practice industry.

What technology does Panitz & Kossoff, LLP use?

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Panitz & Kossoff, LLP's tech stack includes AudioEyeiCIMSjQueryModernizrOffice 365BootstrapMicrosoft IISNginx.

What is Panitz & Kossoff, LLP's email format?

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Panitz & Kossoff, LLP's email format typically follows the pattern of First@pktaxlaw.com. Find more Panitz & Kossoff, LLP email formats with LeadIQ.

When was Panitz & Kossoff, LLP founded?

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Panitz & Kossoff, LLP was founded in 2008.
Panitz & Kossoff, LLP logo

Panitz & Kossoff, LLP

Law PracticeCalifornia, United States2-10 Employees

Panitz & Kossoff, LLP is a law practice based in Westlake Village, California, that concentrates on federal tax litigation and estate planning. The firm has earned recognition as federal tax litigators, with partner Philip G. Panitz described as someone who has argued extensively in the U.S. Tax Court and who handles appeals to federal circuit courts. A notable historical point is the firm’s involvement in the 1995 Supreme Court case Williams v. United States, which influenced IRS seizure law and procedures for third-party taxpayers.

In addition to tax litigation, the firm provides comprehensive estate planning, probate, and trust administration services, led by partner Ken Kossoff, who is a California Certified Specialist in Estate Planning, Probate & Trust Law. The practice also serves as outside corporate and tax counsel to California corporations, offering guidance on business formation, mergers and acquisitions, reorganizations, shareholder and buy/sell agreements, and corporate tax planning.

Section iconCompany Overview

Phone number
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
2008
Employees
2-10

Section iconFunding & Financials

  • <$1M

    Panitz & Kossoff, LLP's revenue is estimated to be in the range of <$1M

Section iconFunding & Financials

  • <$1M

    Panitz & Kossoff, LLP's revenue is estimated to be in the range of <$1M

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