Daniel M. Jaffe


Slover & Loftus LLP
Email: dmj@sloverandloftus.com
T: (202) 347-7170
F: (202) 347-3619

Daniel M. Jaffe is a partner with Slover & Loftus LLP, where he has been representing shippers since 1998.

Practice Focus

Daniel M. Jaffe specializes in complex regulatory matters before the Surface Transportation Board, particularly the regulation of maximum reasonable rates for rail transportation services. Mr. Jaffe has been at the forefront of designing, refining and maximizing the complex interplay of written and electronic evidence that is the hallmark of today’s regulatory practice. Mr. Jaffe has participated in major rulemakings and related appeals, rail mergers, and abandonments. He has also represented clients in unreasonable practice litigation before the Surface Transportation Board, including fuel surcharge disputes.

Mr. Jaffe advises industrial clients in the negotiation of electric power and natural gas supply contracts. He also has assisted refineries in negotiating and arranging for the delivery of crude oil by unit train. Mr. Jaffe has also represented numerous clients in the review and negotiation of long-term contracts for coal supply and rail transportation.

Mr. Jaffe is active in litigation matters. Mr. Jaffe has participated in a variety of litigation and arbitration matters across the United States, and he directs the electronic discovery activities of Slover & Loftus LLP.

Mr. Jaffe has extensive experience evaluating and analyzing the economics of rail transportation and coal supply matters. He is also versed in rail operations issues, including interconnections, plant operations, rail spur construction, and issues arising from rail service disruptions. Mr. Jaffe has also represented clients before the Federal Energy Regulatory Commission.

Mr. Jaffe joined Slover & Loftus LLP in 1998. Prior to joining Slover & Loftus LLP, Mr. Jaffe worked for an electric utility association for four years and on Capitol Hill for two years.

Representative Legal Matters

  • Represented an electric cooperative utility in a maximum reasonable rate case before the Surface Transportation Board. The utility recovered over $9 million in reparations, and rate relief exceeding $60 million.
  • Represented an electric utility in a maximum reasonable rate case before the Surface Transportation Board. The utility recovered over $100 million in reparations and $345 million in rate relief.
  • Represented a third-party logistics provider in an arbitration of a breach of contract of dispute with a customer. Recovered damages in excess of $10 million and attorneys’ fees.
  • Represented several utilities in service disputes with railroads before different federal and state courts. Utilities successfully negotiated favorable settlements.
  • Successfully defended an electric utility in a breach of contract dispute, which settled at no cost to the utility.
  • Advised a large oil refinery on contractual matters for the transportation of crude oil and related facilities development.
  • Advised a major European industrial entity on electric and natural gas supply contracts, as well as rail transportation matters.
  • Advised a major electric power project developer in the negotiation of a long term coal supply agreement and an industrial side track agreement.


United States Supreme Court

United States Court of Appeals for the District of Columbia Circuit

United States District Court for the District of Columbia

District of Columbia


George Washington University School of Law (J.D.) (1998)

American University (B.A., cum laude) (1991)


Sensitive Security Information and the Rail Industry: The Economic Dangers of Unintended Consequences, Journal of Transp., Law, Logistics & Policy (4th Quarter 2011).

A Switch to Natural Gas Raises Exposure To Coal-Related Contract Damages (available on this website)


WCTL: STB Regulation – Problems and Concerns, Transportation Research Board Meeting (2014)

Coal Versus Gas in the West – 2012 and Beyond, Western Coal Traffic League Winter Meeting (2012)

Ratemaking at the Surface Transportation Board, American Public Power Association Legal Seminar (2006)

Anatomy of a Rate Case, Western Coal Traffic League Winter Meeting (2005)


Moot Court Board

Trial Court Board