On February 3, 2026, the United States Patent and Trademark Office (USPTO) de-designated Proppant Express Investments, LLC v. Oren Technologies, LLC and Adello Biologics LLC v. Amgen Inc. from precedential status. In both decisions, the Patent Trial and Appeal Board
Jeffer Mangels Butler & Mitchell LLP
Jeffer Mangels Butler & Mitchell LLP is a California-based law firm that publishes blogs primarily focused on business law and litigation. Their content covers a broad range of legal practice areas including labor and employment, taxation, trusts and estates, intellectual property, real estate, environmental law, and corporate matters such as mergers and acquisitions. The firm also addresses industry-specific topics like natural resources, mining, healthcare, and entertainment. Their blog posts often analyze recent court rulings, legislative updates, and regulatory changes affecting these sectors. The firm provides insights into both state and federal legal developments, with a particular emphasis on California law and its intersection with broader national issues.
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House Passes Mining Regulatory Clarity Act: Congressional Response to Rosemont Decision Advances
On December 18, 2025, the House of Representatives passed H.R. 1366, the Mining Regulatory Clarity Act of 2025, legislation that seeks to overturn a 2022 Ninth Circuit Court of Appeals decision that upended more than four decades of regulatory practice…
House Passes SPEED Act: Significant Step Toward Federal Permitting Reform for Mining Projects
On December 18, 2025, the House of Representatives passed the Standardizing Permitting and Expediting Environmental Decisions (SPEED) Act by a vote of 221-196. The legislation represents the most comprehensive proposed reform of the National Environmental Policy Act (NEPA) in decades…
Samsung Advances in Alter Ego Discovery for Jurisdiction: Court Orders Production and Depositions in CM HK Dispute Where Affiliates Used Common Servers
In a significant development for declaratory judgment actions involving jurisdictional challenges, a Northern District of California Magistrate Judge has ruled in favor of Samsung Electronics in its ongoing dispute with CM HK Ltd. The order from the court resolves key…
District Court Enforces Post-Expiration Destruction Order Despite Patent Lapse
In a post-judgment ruling from the U.S. District Court for the Eastern District of New York, the court rejected defendants’ bid to escape a destruction mandate after the asserted patents expired just days after a permanent injunction issued, ordering the…
Critical Minerals Update: USGS Finalizes 2025 Critical Minerals List, Adding Copper, Silver, and Eight Others
What Happened: What The U.S. Geological Survey (USGS) has released the final 2025 List of Critical Minerals, expanding it to 60 commodities by adding 10 new minerals. Published in the Federal Register on November 7, 2025, this update retains all…
California Assembly Bill 1319: State-Level Endangered Species Protections in Response to Federal Regulatory Changes
On October 11, 2025, Governor Gavin Newsom signed Assembly Bill 1319 into law, establishing a new California Endangered Species Act (CESA) mechanism for California to extend state-level endangered species protections to species that may lose federal safeguards under the federal…
Bridging Federal and State Efforts: The Evolving Landscape of Critical Minerals Classification
The definition of “critical minerals” has become a pivotal issue in 2025, determining not only which mining projects receive expedited federal permitting and funding, but also which deposits gain protection from incompatible development under California law. As the federal government…
Eastern District of Texas Rejects Daubert Challenge to Apportionment Expert in Anonymous Media v. Samsung
In Anonymous Media Research Holdings, LLC v. Samsung Electronics Co., Ltd. (No. 2:23-CV-00439-JRG-RSP, E.D. Tex. Sept. 17, 2025), the U.S. District Court for the Eastern District of Texas denied Samsung’s motion to exclude the apportionment opinions of plaintiff’s expert, Mr.…
District Court Invalidates Patents for Bridge Cheating Detection Software Under § 101
In a recent decision from the U.S. District Court for the Northern District of Georgia, the Court granted motions to dismiss and for judgment on the pleadings, invalidating two patents related to software for detecting cheating in the card game…