Wiley Rein LLP
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Regarded for its ‘blend of knowledge, agency experience and real‑time policy tracking’, Wiley Rein LLP is positioned as a first port of call for clients in the battery and electronics industry, advising on environmental, safety, and EPR requirements. Tracy Heinzman heads up the Washington DC practice, acting for regulated consumer product clients on the development of product defense strategies. Martha Marrapese is engaged on matters relating to chemical control under the Toxic Substances Control Act, while Jennifer Giblin’s broad practice extends to PFAS and hazardous material transportation regulations. Hume Ross is noted for his work on the Insecticide, Fungicide, and Rodenticide Act.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The team's unique strength lies in their ability to function as strategic partners who deeply understand the operational realities of businesses applying hazmat regulations to new aviation technologies where regulatory precedent is inexistent or limited.’
- ‘What potential clients should know is that this practice combines technical mastery of dangerous goods regulations with practical problem-solving for real-world applications.’
Key clients
- Battery Council International (BCI)
- Emerson Electric Co.
Work highlights
Advised Battery Council International on regulatory and trade matters affecting the lead and lithium battery industries, including challenges to EPA’s ban on trichloroethylene (TCE), extended producer responsibility (EPR) legislation, and international trade restrictions.


