Peter Tomlinson is a partner in the firm’s litigation department, concentrating his practice in complex financial litigation. He is co-chair of the firm’s Structured Finance Litigation Practice Group. He represents Ambac Assurance Corporation in several high-stakes litigations against sponsors of residential mortgage-backed securities transactions, including Ambac v. Countrywide Home Loans, Ambac v. EMC Mortgage LLC, andAmbac v. Nomura. He also advises institutional investors in connection with residential mortgage-backed securities disputes, including advising on their rights under the transaction documents and representing directing certificate holders in connection with litigation. He has negotiated numerous settlements in residential mortgage-backed securities matters. He has handled cases in various state and federal courts, at both the trial and appellate level. He also represents law firms in high-stakes cases alleging malpractice, conflict of interest, breach of fiduciary duty, and fraud.

Euromoney Institutional Investor PLC’s Benchmark: America's Leading Litigation Firms and Attorneys lists Mr. Tomlinson as a "Litigation Star" for New York. Peers have described Mr. Tomlinson to Benchmark as a "terrific lawyer." In addition, he is recognized in Super Lawyers in the area of business litigation and has received Martindale-Hubbell’s highest “AV” rating.

Mr. Tomlinson graduated from Dartmouth College and received his JD from Emory University School of Law, where he was elected to the Order of the Coif. He served as a Law Clerk to both the Hon. Raymond J. Dearie, U.S. District Court for the Eastern District of New York, and the Hon. Will Garwood, U.S. Court of Appeals for the Fifth Circuit. He joined Patterson Belknap in 1996. He serves on the firm’s Management Committee, and is Co-Chair of the firm’s Pro Bono Committee.

Representative Matters

Residential Mortgage-Backed Securities
Representing monoline insurers in litigations against sponsors and originators of mortgage-backed securities.

Advising monoline insurers and RMBS investors in connection with numerous RMBS transactions, including analysis of rights and remedies, assessment and negotiation of repurchase (put-back) claims, potential litigation, and negotiated settlements.

Complex Financial Litigation
Obtained $298.5 million settlement from a major accounting firm in a fraud and negligence case on behalf of a public company.

Law Firm Defense
Represented national law firm in suit by former hedge fund client seeking $420 million in damages based on alleged malpractice, conflict of interest and fraud.

Represent law firms in a variety of disputes with former clients related to structured finance and other practice areas.

Advised insurers on potential exposure and liability of national law firm in high-profile litigation.

Internal Investigations/Independent Compliance Consultant
Served as independent compliance consultant to two large mutual fund companies pursuant to SEC settlement orders.

Independent Investigations/Human Rights Abuses
Participated in fact-finding mission to investigate the killings of human rights defenders from the Aceh region of Indonesia and co-authored a report detailing the mission's findings, which was published in The Record.


  • U.S. District Court, Southern and Eastern Districts of New York; Western District of Michigan
  • New York

Professional Activities

Association of the Bar of the City of New York (Secretary, International Human Rights Committee, 2001-2004); Listed as a "Litigation Star" for New York in Euromoney Institutional Investor PLC’s Benchmark: America's Leading Litigation Firms and Attorneys; Recognized in The Best Lawyers in America® in the area of Commercial Litigation


  • "Full Fathom Five: Legal Hurdles to Treasure," 42 Emory Law Journal 1099 (1993)