We meld the law with science to create the most defensible allocation possible for our clients. The proof is in the numbers. Our environmental liability allocation attorneys have more than one hundred years of experience on Superfund sites. We’ve achieved favorable allocations of liability in environmental disputes in fourteen states across the U.S., have experience on more than forty-five Superfund sites and have provided expert witness services in over sixty-five cases. Our innovative problem-solving and award-winning Superfund case management techniques make us one of the most trusted and renowned teams in the region and country for mediation, arbitration and expert witness services.

Our team is well-versed in all key components of liability allocation, including:

  • Gore factors and case law allocation factors
  • Divisibility of harm
  • Site history reconstruction
  • Waste stream reconstruction
  • Potentially responsible party investigation
  • Transactional database management
  • Environmental forensics
  • Fate and transport
  • Cause and effect analysis
  • Risk assessment
  • Remediation cost causation
  • Damages/financial analysis

Leaders in high-stakes, high-profile matters

With decades of experience dealing with CERCLA, RCRA, and state controlled hazardous waste sites, our team is distinguished by ground-breaking allocation methodologies and de minimis settlements, precedential approaches to complex Superfund settlements, and innovative procedures for remedial cost estimation, settlement risk management mechanisms and associated pricing of settlements. Preti Flaherty attorneys have litigated, negotiated and mediated very high stakes injunctive and cost recovery matters, including land-based owner/operator and generator sites as well as sediment and riverine sites.

Firm Highlights

News

Preti Flaherty Welcomes Trusts and Estates Attorney Dianne Ricardo to the Firm

Preti Flaherty is pleased to announce that Dianne Ricardo has joined the firm’s Trusts & Estates Practice Group. Based out of the firm’s Concord, New Hampshire office, Dianne focuses her practice on comprehensive estate...

Publication

What Is the Affirmative Relief Announcement?

On June 18, 2024, President Biden announced  a series of immigration actions  using the authority granted to him by our existing immigration laws. These actions will help certain undocumented individuals in the United States...

News

Preti Attorneys File Suit Against Al-Generated Robocalls in the 2024 NH Presidential Primary

Representing the League of Women Voters of New Hampshire, the League of Women Voters of the United States, and individual voters, Preti Flaherty, with co-counsel, filed a federal lawsuit against Steve Kramer, Lingo Telecom...

News

Preti’s Sig Schutz Recognized as Member of NHPR’s Pulitzer-Finalist Team

Preti First Amendment attorney Sig Schutz has been recognized as “a core member of the [NHPR] team” involved in a podcast honored as a Pulitzer Prize finalist in the audio journalism category.  The podcast...

Publication

Compliance for Two—What Employers Need to Know about the Newly Effective Final Regulation for the Pregnant Workers Fairness Act

On June 18, 2024 the final rule from the U.S. Equal Employment Opportunity Commission (EEOC) implementing the Pregnant Workers Fairness Act (PWFA) takes effect, clarifying employers' obligations under this landmark legislation. Effective since June 27...

Publication

Supreme Court Clarifies Constitutionality of Outdoor Camping Bans

Earlier today the United States Supreme Court issued its decision in the  City of Grants Pass, Oregon v. Johnson et al. , overturning a 2019 decision from the 9 th  Circuit Court, which held...

News

Greg Hansel Named Top 25 Attorney of the Northeast Region by Attorney Intel

Preti Flaherty attorney Greg Hansel has been named one of the Top 25 Attorneys of the Northeast Region for 2024 by Attorney Intel . This year’s class of attorneys has been recognized for excelling...

News

10 Preti Attorneys, 6 Practice Groups Honored in National Rankings

Ten Preti Flaherty attorneys and six practice groups have been selected by Chambers USA for inclusion in their premiere annual list of America’s leading lawyers. Preti is recognized for excellence in the practice areas...

Publication

Veto Day and Final Day of the 131st Legislature

The Legislature convened on Friday, May 10 th for Veto Day to take action on the six bills objected to by the Governor. As expected, all six vetoes were sustained by lawmakers allowing  Governor...

Publication

Massachusetts High Court Issues Important Ruling Impacting Prompt Pay Act

Earlier today, the Massachusetts Supreme Judicial Court issued an order in the matter of Business Interiors Floor Covering Business Trust v. Graycor Construction Co. Inc. This decision presents the high court’s first ruling clarifying...