People

Hillary Dang 高级律师

Washington, D.C.

Clients have relied on Hillary’s representation in multidistrict litigation, statewide coordinated proceedings, class actions, and government enforcement actions filed in federal and state courts throughout the country.  Additionally, Hillary has represented pharmaceutical companies and government contractors in False Claims Act litigation and government investigations.  Hillary’s litigation experience spans from initial case and dispositive motions assessment, to both bench and jury trials, and all fact and expert discovery, motions practice, and other trial preparation in between, including considerable work with company witnesses, medical and public health experts, and U.S. Food & Drug Administration (FDA) regulatory experts.  Hillary has also advised clients on product liability exposure and litigation risk related to FDA regulations and guidance.

Hillary’s active pro bono practice includes advising clients on civil rights and immigration matters.  She has secured asylum for an individual from Cameroon and successfully argued for a renewed bond hearing for an unlawfully detained immigrant before the U.S. District Court for the Eastern District of Virginia.

Prior to joining Orrick, Hillary practiced at Arnold & Porter in Washington, D.C.  From 2020-2021, she clerked for the Honorable M. Casey Rodgers in the United States District Court for the Northern District of Florida.  While in law school, Hillary completed a judicial externship with the Honorable Tanya S. Chutkan in the United States District Court for the District of Columbia.

Alexander Dartsch Counsel

杜塞尔多夫

Alexander has many years of experience in advising national and international energy suppliers, global corporations and institutional investors across the entire value chain in the energy sector.

His work primarily involves advising on offshore wind, onshore wind, photovoltaic, and battery storage projects. He supports clients through all phases of a project, from establishing joint ventures for collaborative project development to acquiring project pipelines and investing in existing projects.

During a secondment, Alexander served a leading institutional investor specializing in infrastructure investments. He is recognized by Legal 500 Germany for his expertise in energy transactions (2023).

Alexander also advises on the drafting and negotiation of long-term power supply agreements (PPAs) for the procurement of electricity from renewable energy sources and on the associated regulatory and supervisory issues.

He has also advised on a large number of fundamental issues in the energy industry and represented clients in official and court proceedings. These include matters such as remuneration for power plant operators for redispatch measures, maintaining operational readiness of system-relevant coal-fired power plants, and the regulation of hydrogen networks.

Anisha Dasgupta 合伙人

New York

At the FTC, Anisha headed the 55-person Office of General Counsel, oversaw the FTC’s appellate litigation, defended regulatory decisions and enforcement actions in district court, and counseled Commissioners and other agency leaders. She litigated high profile anticompetitive conduct and merger cases, successfully arguing the FTC’s challenge to an $8 billion vertical merger in the biotech industry. She also supervised consumer protection work relating to advertising, artificial intelligence, data privacy, financial services, and marketing. She contributed to numerous significant rulemakings, including the 2025 Hart-Scott-Rodino (HSR) rule changes, 2025 Amendments to the Negative Option Rule, 2024 Rule on Unfair or Deceptive Fees, and 2023 Merger Guidelines.

Prior to her time at the FTC, Anisha served as Deputy Solicitor General at the Office of the New York State Attorney General and as an attorney on the Appellate Staff of the U.S. Department of Justice Civil Division.

As Deputy Solicitor General, Anisha handled some of New York’s most important appeals and provided legal guidance during trials and investigations. Her notable appellate arguments included groundbreaking antitrust, administrative law, statutory interpretation, and constitutional cases.

As an appellate attorney in the Civil Division, Anisha represented federal agencies in challenges to their statutes and regulatory actions. Her clients included the U.S. Departments of Commerce, Energy, Health and Human Services, State, Transportation, Treasury, and Veterans Affairs. During her tenure, she also served on detail to the White House Counsel's Office.

In addition to her first-chair appellate argument experience, Anisha has briefed hundreds of cases. She has handled numerous matters in the U.S. Supreme Court, every federal court of appeals, and New York’s state appellate courts.

 

Adrianne Davies 律师

Los Angeles

Her practice focuses on project finance transactions in the energy and infrastructure sectors, with a focus on renewable energy.

Allen Davis 高级律师

Washington, D.C.

Allen assists businesses in identifying, assessing, and mitigating risks related to competition matters, collaborating closely with clients to develop tailored compliance strategies, guiding them through the complexities of antitrust laws at both domestic and international levels. He represents clients in a broad range of antitrust issues arising from mergers and acquisitions (including Hart-Scott-Rodino (HSR) filings and second requests), complex civil litigation, government investigations (including civil investigative demands (CID)) and general counseling. Allen represents clients across a diverse range of industries, including consumer technology, digital advertising, pharmaceuticals, e-commerce, real estate, and energy.

Recent notable experience includes representing:

• A software company in a successful defense of Clayton Act § 7 litigation
• A large insurer in connection with allegations of price fixing in violation of Sherman Act § 1
• A technology company in connection with discovery in a number of enforcement actions against Google LLC
• A generic pharmaceutical manufacture in defense against Sherman Act §§ 1-2 claims

Will Davis 主理律师

Los Angeles

Will’s clients include developers, investors, lenders and contractors engaged in transactions related to energy transition and infrastructure decarbonization projects across the U.S. Their experience includes diverse financing structures such as joint ventures, tax equity and cash equity investments, direct lending and mezzanine debt financing, as well as drafting and negotiating project development, equipment purchase and sale, and power purchase agreements.