# Barack Obama

Type: Person

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/barack-obama
Canonical HTML page: https://getlegalbrief.com/entity/barack-obama

## Timeline

- **2026-03-19**: Multi-State Lawsuit Filed — A coalition of 23 states and 14 cities files a legal challenge in the U.S. Court of Appeals.
- **2026-02-21**: SCOTUS Ruling — The Supreme Court issues a landmark judgment declaring the tariffs unconstitutional and a violation of the separation of powers.
- **2026-02-15**: EPA Revokes Finding — The Trump administration formally terminates the 2009 endangerment finding.
- **2024**: Tariff Implementation — The Trump administration imposes sweeping global tariffs citing national security and economic emergencies.
- **2012-01-01**: Vehicle Standards Implemented — Federal rules limiting greenhouse gas tailpipe emissions for 2012-2027 models take effect.
- **2010**: Katyal Appointment — Neal Katyal is appointed Acting Solicitor General of the United States by President Barack Obama.
- **2009-12-07**: Endangerment Finding Issued — The EPA under the Obama administration officially finds that greenhouse gases threaten public health.
- **1977**: IEEPA Enacted — Congress passes the International Emergency Economic Powers Act to grant presidents authority to regulate commerce during emergencies.

## Recent coverage (2 stories)

### 23 States Sue EPA Over Revocation of Landmark Climate Endangerment Finding
2026-03-20 00:14:46 · Sentiment: Bearish · Impact: 8/10 · Sources: 3

A coalition of 23 states and 14 cities has filed a major lawsuit against the EPA to block the Trump administration's repeal of the 2009 endangerment finding. The legal challenge argues that the revocation violates the Clean Air Act and ignores established climate science to benefit the fossil fuel industry.
Full story: https://getlegalbrief.com/story/states-challenge-trump-epa-climate-revocation

### SCOTUS Reclaims Taxing Power: Neal Katyal Overturns Trump’s Global Tariffs
2026-02-21 04:40:10 · Sentiment: Bullish · Impact: 8/10 · Sources: 2

The US Supreme Court has delivered a landmark ruling overturning President Trump’s sweeping tariffs, asserting that the executive branch cannot use emergency powers to bypass Congressional taxing authority. Led by former Acting Solicitor General Neal Katyal, the legal challenge successfully argued that the 1977 International Emergency Economic Powers Act does not grant the presidency unilateral control over trade levies.
Full story: https://getlegalbrief.com/story/neal-katyal-scotus-trump-tariffs-ruling

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