Top Federal Tax Decisions Of 2025
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
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.
Mass. Panel OKs $300M Real Estate Transfer Fee Hike
Massachusetts would double its real estate transfer fees under a bill advanced by a legislative committee that would raise an estimated $300 million annually to fund affordable housing and climate mitigation efforts.
Top Federal Tax Decisions Of 2025
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
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.
Mass. Panel OKs $300M Real Estate Transfer Fee Hike
Massachusetts would double its real estate transfer fees under a bill advanced by a legislative committee that would raise an estimated $300 million annually to fund affordable housing and climate mitigation efforts.
Federal More
Importers faced novel levels of uncertainty in 2025 as President Donald Trump introduced several new tariff actions during his second term, including some that prompted importers to challenge a law used to aut... (more story)
The Sixth Circuit vacated a nearly $7 million restitution order against a pharmaceutical salesman convicted of healthcare fraud, finding an Ohio federal court erred in calculating that amount and apportioning liability.
A bipartisan draft bill in the U.S. House would modernize the federal tax code for digital assets, its backers said, by establishing a "commonsense tax treatment" for regulated payment stablecoins, clarifying ... (more story)
Britney Spears is challenging the IRS over the more than $720,000 it assessed against her in 2021, telling the U.S. Tax Court that the agency improperly increased income she received through her pass-through entity.
It would be an "administrative problem" to issue tariff refunds in the aftermath of a potential U.S. Supreme Court ruling against the White House's trade measures, a top economic policy official said.
Tax valuation and advisory firm Andersen Group Inc. has closed a $202 million initial public offering, marking a rare IPO that required legal teams to navigate uncommon structural and governance challenges, ac... (more story)
A Connecticut man pled guilty to tax evasion after using $5.2 million of his private equity fund's money to pay personal expenses and causing a criminal tax loss of nearly $2.2 million, federal prosecutors said.
State & Local More
NY Gov. Hochul Vetoes Letting Employer Orgs Alter Tax Base
New York Gov. Kathy Hochul vetoed legislation that would have allowed professional employer organizations to include certain expense reimbursements in their tax calculations, a change that would have involved ... (more story)
Ill. To Up Sales Taxes To Fund Transit Without Billionaires' Tax
Illinois will redirect sales tax revenue and increase certain sales tax rates and tolls to stave off a projected shortfall in transit funds under a bill signed by Democratic Gov. JB Pritzker that excluded a pr... (more story)
Calif. Appeals Court Upholds Los Angeles' Mansion Tax
A property transfer tax that adds 4% to 5.5% to the cost of Los Angeles real estate deals of more than $5 million is legal under the U.S. and California constitutions, a state appeals panel ruled, upholding a trial court.
The Answer, In A Word, Is Federalism: SALT In Review
From the treasury secretary's view of states that resist conformity to a proposed retroactive tax on California's billionaires, RSM's David Brunori offers his thoughts on noteworthy state and local tax news.
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 leve... (more story)
Taxation With Representation: Baker Botts, Morgan Lewis
In this week's Taxation With Representation, Trump Media and Technology Group merges with fusion power company TAE Technologies, pharmaceutical company Cencora boosts its stake in cancer care company OneOncolo... (more story)
Fla. High Court Says $5B Bond Deal Can't Be Set Aside
Florida's Supreme Court agreed Thursday that counties and tax collectors could not reopen a bond validation judgment issuing $5 billion in bonds for renewable energy and hurricane mitigation projects, ruling t... (more story)
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 prom... (more story)
Hilton's $70M Tax Value Cut Appealed To Minn. Supreme Court
Drops in the tax valuations of a Hilton hotel and convention center in Minneapolis, including a $70 million cut during one year, were wrongly ordered by the Minnesota Tax Court, the local assessor said, urging... (more story)
New York Gov. Kathy Hochul vetoed legislation that would have allowed professional employer organizations to include certain expense reimbursements in their tax calculations, a change that would have involved ... (more story)
Illinois will redirect sales tax revenue and increase certain sales tax rates and tolls to stave off a projected shortfall in transit funds under a bill signed by Democratic Gov. JB Pritzker that excluded a pr... (more story)
A property transfer tax that adds 4% to 5.5% to the cost of Los Angeles real estate deals of more than $5 million is legal under the U.S. and California constitutions, a state appeals panel ruled, upholding a trial court.
From the treasury secretary's view of states that resist conformity to a proposed retroactive tax on California's billionaires, RSM's David Brunori offers his thoughts on noteworthy state and local tax news.
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 leve... (more story)
In this week's Taxation With Representation, Trump Media and Technology Group merges with fusion power company TAE Technologies, pharmaceutical company Cencora boosts its stake in cancer care company OneOncolo... (more story)
Florida's Supreme Court agreed Thursday that counties and tax collectors could not reopen a bond validation judgment issuing $5 billion in bonds for renewable energy and hurricane mitigation projects, ruling t... (more story)
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 prom... (more story)
Drops in the tax valuations of a Hilton hotel and convention center in Minneapolis, including a $70 million cut during one year, were wrongly ordered by the Minnesota Tax Court, the local assessor said, urging... (more story)
International More
The Biggest UK Commercial Fraud Cases In 2025
Denmark's stinging defeat in a £1.4 billion ($1.9 billion) tax fraud claim and a U.K. Supreme Court ruling that widens the net for individuals who facilitate fraud are among the defining moments in the biggest... (more story)
Trade Court Remands Canada Lumber Duty Calculation Again
The U.S. Commerce Department again failed to sufficiently justify how it calculated a subsidy rate in an antidumping duty administrative review for a Canadian exporter of softwood lumber products, the U.S. Cou... (more story)
Polsinelli Lands Glaser Weil Tax Pro In Los Angeles
Polsinelli PC is expanding its business team, bringing in a tax pro from Glaser Weil as a shareholder in its Los Angeles office.
Czech Republic, Estonia Shift To Backing Min. Tax Deal For US
The Czech Republic and Estonia have shifted to supporting the proposed U.S. exemption from the global minimum tax's international provisions at the global tax policymaking body hosted by the Organization for E... (more story)
Denmark Files To Appeal £1.4B Cum-Ex Fraud Case Defeat
Denmark has launched its effort to revive its £1.4 billion ($1.8 billion) case over a tax fraud allegedly orchestrated by convicted hedge fund trader Sanjay Shah, according to court filings seen by Law360 Thursday.
Court Remands Commerce Ruling On Vietnam Steel Duties
The U.S. Department of Commerce did not properly substantiate its 2023 findings that imports of Vietnamese steel products were flouting duties imposed on South Korea, India and China, the U.S. Court of Interna... (more story)
Ex-Biden Tax Counsel To Chair Willkie Tax Resolution Team
Willkie Farr & Gallagher LLP has hired a former senior tax counsel who worked in two Democratic presidential administrations to come on board as chair of the firm's tax resolution practice group, according to ... (more story)
Denmark's stinging defeat in a £1.4 billion ($1.9 billion) tax fraud claim and a U.K. Supreme Court ruling that widens the net for individuals who facilitate fraud are among the defining moments in the biggest... (more story)
The U.S. Commerce Department again failed to sufficiently justify how it calculated a subsidy rate in an antidumping duty administrative review for a Canadian exporter of softwood lumber products, the U.S. Cou... (more story)
Polsinelli PC is expanding its business team, bringing in a tax pro from Glaser Weil as a shareholder in its Los Angeles office.
The Czech Republic and Estonia have shifted to supporting the proposed U.S. exemption from the global minimum tax's international provisions at the global tax policymaking body hosted by the Organization for E... (more story)
Denmark has launched its effort to revive its £1.4 billion ($1.8 billion) case over a tax fraud allegedly orchestrated by convicted hedge fund trader Sanjay Shah, according to court filings seen by Law360 Thursday.
The U.S. Department of Commerce did not properly substantiate its 2023 findings that imports of Vietnamese steel products were flouting duties imposed on South Korea, India and China, the U.S. Court of Interna... (more story)
Willkie Farr & Gallagher LLP has hired a former senior tax counsel who worked in two Democratic presidential administrations to come on board as chair of the firm's tax resolution practice group, according to ... (more story)