Peter Tomlinson is Co-Chair of the Firm and a Partner in the Firm’s Litigation department, concentrating his practice in complex financial litigation. He is also Co-Chair of the Firm’s Structured Finance Litigation Practice group. He represents Ambac Assurance Corporation in several high-stakes litigations involving residential mortgage-backed securities transactions, including Ambac v. Countrywide, Ambac v. Nomura, and Ambac v. U.S. Bank. He has negotiated settlements of disputes involving residential mortgage-backed securities leading to recoveries of billions of dollars, including a settlement of $1.84 billion on behalf of Ambac in 2022. As a result of this significant settlement, Mr. Tomlinson was named “Litigator of the Week” by The American Lawyer.

Mr. Tomlinson also advises institutional investors in connection with structured finance transactions, including advising on their rights under the transaction documents, representing directing certificate holders in connection with litigation, and negotiating settlements on behalf of certificate holders. He has handled cases in various state and federal courts, at both the trial and appellate level.

Mr. Tomlinson is recognized by Chambers USA as a leading practitioner in securities litigation. Clients note he “has broad subject matter expertise and litigation skills, he's commercial and creative and he also has strong relationships with clients and counsel on both sides." The guide also maintains he is "an experienced, savvy and creative litigator." 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."

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 served as Co-Chair of the Firm’s Pro Bono Committee from 2014-2017.

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

MEMBERSHIPS: Association of the Bar of the City of New York (Secretary, International Human Rights Committee, 2001-2004)