Federal

Top Federal Tax Decisions Of 2025

Anna Scott Farrell

Over the past year, federal courts have issued decisions that extended the deadline for challenging tax bills in the U.S. Tax Court, allowed the IRS to pursue a woman's decades-old tax debt caused by her return preparer and lifted a $1 million reporting penalty because a jury didn't sign off. Here, Law360 reviews some of the most significant federal tax decisions of 2025.

Top International Tax Cases Of 2025

Molly Moses
Contributing Editor

Government tax administrations came up short in some of the biggest international cases decided this year, including Denmark's challenge to a British trader it accused of deceiving the tax authority into paying thousands of improper refunds. Here, Law360 examines seven of the year's top international tax cases.

A Blockbuster Year For Data Centers

Charlie Innis

Booming demand drove an explosive year for growth in the data center sector in 2025, with deals getting larger, more multifaceted and more complex for legal teams to pull off.

How Fractional GCs Can Manage Risks Of Engagement

As more organizations eliminate their in-house legal departments in favor of outsourcing legal work, fractional general counsel roles offer practitioners an engaging and flexible way to practice at a high level, but they can also present legal, ethical and operational risks that must be proactively managed, say attorneys at Boies Schiller.

How OECD Tax Update Tackles Mobile Workforce Complexity

The Organization for Economic Cooperation and Development’s recently updated model tax convention — a recalibration of international tax principles in response to an increasingly mobile workforce — should prompt companies to reevaluate cross-border operations, transfer pricing policies and tax controversy strategies, say attorneys at Eversheds.

A Uniform Federal Rule Would Curb Gen AI Missteps In Court

To address the patchwork of courts’ standing orders on generative artificial intelligence, curbing abuses and relieving the burden on judges, the federal judiciary should consider amending its civil procedure rules to require litigants to certify they’ve reviewed legal filings for accuracy, say attorneys at Shook Hardy.

Nonprofits Face Uncertainty Over Political Activity Rules

Two federal court decisions suggesting that the Internal Revenue Service's rules for 501(c)(4) organizations' political activity may be too vague to survive constitutional scrutiny leave nonprofit organizations caught between constitutional limits on government regulation of speech and tax limits on their exempt status, say attorneys at BakerHostetler.

Supreme Court Term Limits Would Carry Hidden Risk

While proposals for limiting the terms of U.S. Supreme Court justices are popular, a steady stream of relatively young, highly marketable ex-justices with unique knowledge and influence entering the marketplace of law and politics could create new problems, say Michael Broyde at Emory University and Hayden Hall at the U.S. Bankruptcy Court for the District of Delaware.

Tariffs And Trade Volatility Drove 2025 Bankruptcy Wave

The Trump administration's tariff regime has reshaped the commercial restructuring landscape this year, with an increased number of bankruptcy filings showing how tariffs are influencing first‑day narratives, debtor-in-possession terms and case strategies, say attorneys at Thompson Hine.

AI Evidence Rule Tweaks Encourage Judicial Guardrails

Recent additions to a committee note on proposed Rule of Evidence 707 — governing evidence generated by artificial intelligence — seek to mitigate potential dangers that may arise once machine outputs are introduced at trial, encouraging judges to perform critical gatekeeping functions, say attorneys at Lankler Siffert & Wohl.

The Law Firm Merger Diaries: Getting The Message Across

Communications and brand strategy during a law firm merger represent a crucial thread that runs through every stage of a combination and should include clear messaging, leverage modern marketing tools and embrace the chance to evolve, says Ashley Horne at Womble Bond.

Horizontal Stare Decisis Should Not Be Casually Discarded

Eliminating the so-called law of the circuit doctrine — as recently proposed by a Fifth Circuit judge, echoing Justice Neil Gorsuch’s concurrence in Loper Bright — would undermine public confidence in the judiciary’s independence and create costly uncertainty for litigants, says Lawrence Bluestone at Genova Burns.

10 Commandments For Agentic AI Tools In The Legal Industry

Though agentic artificial intelligence has demonstrated significant promise for optimizing legal work, it presents numerous risks, so specific ethical obligations should be built into the knowledge base of every agentic AI tool used in the legal industry, says Steven Cordero at Akerman LLP.

A Close Look At The Evolving Interval Fund Space

Interval funds — closed-end registered investment companies that make periodic repurchase offers — have recently moved to the center of the conversation about retail access to private markets, spurred along by President Donald Trump's August executive order incorporating alternative assets into 401(k) plans and target date strategies, say attorneys at Simpson Thacher.

The Law Firm Merger Diaries: How To Build On Cultural Fit

Law firm mergers should start with people, then move to strategy: A two-level screening that puts finding a cultural fit at the pinnacle of the process can unearth shared values that are instrumental to deciding to move forward with a combination, says Matthew Madsen at Harrison.

Rare Tariff Authority May Boost US Battery Manufacturing

Finalizing preliminary tariffs on active anode material from China — the result of a rare exercise of statutory authority finding that foreign dumping hampered the development of a nascent U.S. industry — should help domestic battery manufacturing, but potential price increases could discourage related clean-energy use, say attorneys at MoloLamken.