Mark D. Poniatowski

Top rated Creditor Debtor Rights attorney in Castro Valley, California

Poniatowski Leding Parikh Law Corporation
Mark D. Poniatowski
Poniatowski Leding Parikh Law Corporation

Practice Areas: Creditor Debtor Rights, Business Litigation, Business & Corporate; view more

Licensed in California since: 1986

Education: Santa Clara University School of Law

Selected to Super Lawyers: 2019 - 2024

Poniatowski Leding Parikh Law Corporation

21715 Redwood Rd
Castro Valley, CA 94546 Visit website


Attorney Mark D. Poniatowski is the founder and owner of Poniatowski Leding Parikh Law Corporation, which has law offices in Castro Valley, Oakland and Pleasanton, California. Nationally ranked as among the preeminent lawyers in the country and possessing more than 34 years of total legal experience, Mr. Poniatowski provides unmatched counsel and support to a diverse range of clients throughout the state who have legal needs involving any of the following practice areas:

· Business and commercial litigation

· Business and commercial transactions

· Business and corporate law

· Real property litigation

· Real property transactions

· Creditors’ rights and bankruptcy litigation

Over the course of his legal career, Mr. Poniatowski has gained a reputation as a leader in all areas of business and commercial law, and he has achieved considerable success helping his clients protect their rights and interests in the face of complex legal challenges while also delivering invaluable outside general counsel and support. His client base has ranged from small, closely held businesses to multinational corporations, and he has deftly handled disputes and transactions involving millions of dollars for both plaintiff and defendants alike.

At all turns, Mr. Poniatowski delivers highly personalized attention to his clients' needs, and he has gained a reputation for his responsiveness at addressing his clients' concerns along with his aggressive approach to helping them achieve the favorable outcomes they expect and deserve as efficiently and cost-effectively as possible. Honored for his outstanding professionalism, he has earned an AV-Preeminent peer review rating* from Martindale-Hubbell along with many other top rankings and endorsements from his peers. He has also received ‘Superb’ client ratings on Avvo.

After graduating from the University of Michigan's School of Business in 1979 with a Bachelor of Business Administration, Mr. Poniatowski worked as a manager for a major property finance and leasing company in San Francisco while he attended law school. He obtained his Juris Doctor from the Santa Clara University School of Law in 1985, and The State Bar of California admitted him to practice the following year.

Mr. Poniatowski is an active member of the Alameda County Bar Association, the Commercial Law League of America and the Bay Area Bankruptcy Forum, among his other professional affiliations. He also supports his local community through his involvement with the Rotary Club of Castro Valley, where he once served as president.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

Practice areas

Creditor Debtor Rights: Business, Business Litigation, Business/Corporate, Real Estate: Business, Bankruptcy: Business

Focus areas

Bankruptcy Law, Business Formation and Planning, Business Organizations, Collections, Condominiums & Cooperatives, Contracts, Debt Discharge, Landlord/Tenant, Loan Modifications, Non-Compete Agreements, Partnership, Sub-chapter S Corporations, Trade Secret

  • 30% Creditor Debtor Rights: Business
  • 20% Business Litigation
  • 20% Business/Corporate
  • 20% Real Estate: Business
  • 10% Bankruptcy: Business

First Admitted: 1986, California

Professional Webpage:

Representative Clients:
  • Caterpillar Financial Services Corporation; Beacon Capital Partners; McLane Foodservice; Holt of California; Oakland Pallet Company; Sterling National Bank
Bar/Professional Activity:
  • Business Law Sections, Member
  • Commercial Law League of America, Member
  • State Bar California Real Estate, Member
  • Bay Area Bankruptcy Forum, Member
  • Alameda County Bar Association, Member
Educational Background:
  • University of Michigan, Bachelors of Business Administration, with Distinction, 1979
Pro bono/Community Service:
  • Eden Area Chamber of Commerce, Active Member and Supporter
  • Alameda County Bar Association Lawyers in the Library - Property Transfer Clinic 
  • Rotary Club of Castro Valley, President, 2009 - 2010
  • Rotary Club of Castro Valley, Member
  • AV by Martindale-Hubbell
  • AVVO 5 out of 5 Star Rating - Clients Choice Award, AVVO
Industry Groups:
  • Alameda County Bar Association
  • Bay Area Bankrupcty Forum
  • Commercial Law League
  • State Bar Business Law Section
  • State Bar Real Property Law Section

Office location for Mark D. Poniatowski

21715 Redwood Rd
Castro Valley, CA 94546

Phone: 510-735-0400


6 Years Super Lawyers
  • Super Lawyers: 2019 - 2024

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