Arnold & Porter acts  for industry leading clients, having litigated in different jurisdictions and serving as national counsel on high stakes toxic tort litigations. The firm represents a broad range of businesses with their operations involving chemicals and contaminating materials including chromium, arsenic, lead PCBs and uranium. Co-Managing partner Michael Daneker  serves as primary defense counsel in class action and mass joinder toxic tort lawsuits across the US, as well as personal injury and property damage actions. William Hoffman has served as national counsel to Bayer for the ongoing litigation involving the legacy Monsanto product Round Up, and Elissa Preheim has been involved in suits related to former manufacturing sites and industrial landfill. Lauren Daniel has been involved in high-profile environmental matters and has experience in litigating under all major federal environmental statutes.  
Legal 500 Editorial commentary

Accolades

Client satisfaction

Key clients

  • Warner-Lambert (Pfizer)
  • Ahlstrom
  • Takeda
  • Honeywell International
  • Chemours
  • Atlantic Richfield
  • Mosaic
  • Coty Inc.
  • Godrej Consumer Products
  • Bayer

Work highlights

  • Serving as lead toxic tort litigation counsel to Ahlstrom in defense of a class action and several claims of personal injuries arising out of the presence of PFOA, PFOS, and other PFAS in private wells in Oneida County, Wisconsin.
  • Serving as lead toxic tort litigation counsel to Takeda Pharmaceuticals in defense of a lawsuit for personal injuries arising from the alleged exposure to benzene at a North Carolina vitamin manufacturing plant
  • Represented Atlantic Richfield Company in nationwide governmental and private plaintiff litigation asserting public nuisance, class action, economic injury, property damage, and personal injury claims arising from long-ago production of lead pigments formerly used in paints.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Michael Daneker
Lauren Daniel

Practice head

Anand Agneshwar; Daphne O'Connor; Allison Rumsey; Jonathan Martel

Other key lawyers

Michael Daneker; William Hoffman; Elissa Preheim; Sean Morris; Lauren Daniel