James M. "Jay" Costan
About James M. Costan
James M. Costan is a lawyer based in Washington, DC and has been recognized in The Best Lawyers in America® since 2017. James M. Costan is recognized in the following practice area:
- Washington, District of Columbia
- Energy Law
Current Firm: Dentons U.S. LLP
Education: Washington and Lee University, J.D., graduated 1974
Location: Washington, DC
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Brian's practice focuses on the construction and engineering industry, federal government contracts and surety law. Brian represents owners, developers, contractors, subcontractors, engineers, design professionals and sureties in all phases of public and private projects from contract inception through alternative dispute resolution and litigation. Brian advises regional, national and international clients on complex legal issues, including contract performance and administration, risk assess...
Kate McDonald represents clients across the healthcare industry on complex regulatory matters and high-stakes mergers and acquisitions, affiliations and other investments. She has particular expertise in federal and state laws applicable to health insurers and HMOs, including the downstream implications of these rules for the provider organizations and vendors that work with them, as well as the reimbursement landscape of federal healthcare programs. Read full biography: https://www.mwe.com/p...
Throughout his more than 30-year career, Tom has represented employers in a broad spectrum of employment matters, including wage and hour, discrimination, and employee termination. He is known particularly for his employee defection work, including drafting and enforcing non-competes and other employment-based restrictive covenants, and litigating related contract, fiduciary duty, trade secret, tortious interference, conspiracy, and unfair competition disputes. Tom’s clients include nat...
Dan Gerkin is a partner in the National Security Practice Group. He advises on issues involving the transnational flow of goods, software, technology and services, as well as in connection with investments in the United States and abroad. Dan has advised on matters involving U.S. export controls, economic embargoes and sanctions, investment security reviews, supply chain security, customs and trade remedies and other trade-related investigations, often in connection with mergers and acquisiti...
Scott works to design a creative, optimized path to problem solving that enhances their chances of recovery. Effective, thorough and practical, Scott is valued by clients and colleagues alike for his depth and breadth of knowledge and experience in insurance law, and for finding the right solution to each client’s distinct problem.Scott served co-lead counsel in a landmark class action trial, the first case of its kind to determine that insurance coverage was available, without aggregat...
Mr. Scheineson is a partner in the Washington, D.C., office, where he heads the firm’s Food and Drug Law Practice. He advises companies on a wide range of issues, including product approvals, marketing, clinical studies and enforcement. Previously, he served as the associate commissioner for legislative affairs of the Food and Drug Administration. He was involved there in many agency innovations, including prescription drug user fees, debarment, medical device amendments and nutritional...
Philip Baker-Shenk is a partner in our firm's Indian Law Practice Group and our Entertainment Law Practice Group. He provides legal and policy representation to dozens of Native American Indian Tribal governments as well as Tribal organizations and companies doing business with Indian Tribes. Mr. Baker-Shenk began working on behalf of Indian Tribes in our Nation's capital in 1976. For half a decade, he served as staff in the U.S. Senate, including two years as Majority General Counsel to Indi...
Whitney L. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Whitney L., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Whitney L. is held by other top lawyers in the same geographic and legal practice area.
Eugene Degnan is Of Counsel in the firm’s International Trade practice. Mr. Degnan routinely counsels clients on all aspects of international trade law with a particular focus on anti-dumping duty and countervailing duty law, global trade policy, global trade litigation, export controls and sanctions, and customs. Mr. Degnan has considerable expertise in a variety of industries, including steel, heavy and lightweight manufacturing equipment, agriculture, specialized consumer products, a...
Daniel P. Hodin is a member of the firm’s Real Estate , Financial Services and Commercial Transactions practice groups. He has over 25 years of experience in commercial and residential real estate and loan transactions, including acquiring, financing, developing, owning, leasing, managing and selling real estate. He has represented local, national and international real estate developers, builders and syndicators, owners, and office and retail tenants in conjunction with prominent real ...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
How to Choose a Personal Injury Lawyer
by Bryan Driscoll
Finding the right legal representation after an injury is a critical decision that requires careful evaluation.