Week of February 2, 2026 Top Takeaways Structural Presumptions Drive Merger Challenges: United States v. Reddy Ice reflects continued reliance on Philadelphia National Bank –style concentration analysis, with regulators emphasizing loss of head-to-head rivalry and durable entry barriers in localized markets. Judicial Gatekeeping Narrows Private Antitrust Claims: Decisions in Pease , Dhamala , Brown v. NFL , and OWN Your Hunger reaffirm rigorous application of standing, mark

Week of January 26, 2026 Top Takeaways Antitrust Meets Climate Policy: State of Michigan v. BP  advances a novel theory of coordinated fossil-fuel dominance—linking Section 1 and 2 violations to alleged collusion in renewable-energy suppression and climate misinformation campaigns. Heightened Structural Enforcement Continues: The DOJ’s Columbus McKinnon–Kito Crosby  suit and the FTC’s Edwards–JenaValve  injunction reflect reinvigorated Philadelphia National Bank –style presum

Week of January 19, 2026 Top Takeaways Section 2 and Financial Coordination Claims Broaden Market Reach : Comulate v. Applied Systems  and CentralSquare v. Eagle Point  showcase evolving monopolization and collusion theories in enterprise SaaS and leveraged-loan markets, extending antitrust enforcement into complex technology and credit infrastructures. Professional-Board Conduct Under Renewed Challenge: Am. Coll. of Nurse-Midwives v. Mississippi Board of Medical Licensure  h

Week of January 12, 2026 Top Takeaways Music and Pharma Face New Monopoly Allegations: X Corp. accused major publishers of using mass DMCA takedowns to fix licensing prices, while Strive v. Lilly/Novo Nordisk  targets GLP-1 market exclusivity—underscoring growing convergence of antitrust, IP, and digital-platform law. Courts Signal Limits and Liability Across the Board: The Cumulus v. Nielsen injunction highlights continued judicial readiness to curb coercive tying, while Ca

Week of January 5, 2026 Top Takeaways Healthcare Consolidation Under Fire Again: A sweeping new class action accuses Cigna, Express Scripts, and their affiliates of monopolizing the specialty pharmacy market—illustrating continued private enforcement pressure on vertically integrated PBM–pharmacy structures. Courts Reinforce Pleading Precision: Rulings in PMM Holdings  and Cinemacloudwords  show that courts expect plaintiffs to allege concrete jurisdictional facts, clear mark

Week of December 29, 2025 Top Takeaways Antitrust Theories Meet Emerging Technologies: A new suit against a 3D-print gun designer applies Sherman Act claims to digital file-sharing, highlighting how courts may confront competition issues in decentralized, IP-heavy markets. Courts Reinforce Limits on Standing and Market Definition: Dismissals in Campbell Family  and Subspace Omega  reaffirm that plaintiffs must show competitive participation in a defined market and more than s

Week of December 22, 2025 Top Takeaways Antitrust Lawsuits Reach New Frontiers: Developers and cattle breeders face new claims—showing that antitrust challenges now touch real estate, agriculture, and healthcare alike. Judges Tighten the Rules on Litigation-Based Conduct: A court let “sham litigation” claims proceed against a drug company accused of using patents to block biosimilars, signaling that aggressive IP enforcement can raise antitrust risk. Courts Demand Better Expe

Week of December 15, 2025 Top Takeaways Tech and Platform Conduct Remains Frontline Risk: New suits against YouTube, PepsiCo, and Google highlight expanding theories of dominance and coordination—spanning video monetization, vertical pricing, and digital advertising. Regulators Sustain Merger Momentum: The FTC’s action to block Henkel’s Liquid Nails acquisition underscores continued enforcement against brand consolidation in consumer goods, reaffirming market-share thresholds

Week of December 8, 2025 Top Takeaways Merger Scrutiny Expands Beyond Government Enforcement: The DOJ and Texas AG moved to block Constellation’s $26.6B Calpine deal—showing that federal and state regulators are continuing to press merger challenges. Courts Tighten Collusion Pleading Standards: The dismissal of the Manufactured Home Lot Rents  case underscores that data sharing and parallel conduct, without specific “plus factors,” are insufficient to infer conspiracy. Remedi

Week of December 1, 2025 Top Takeaways Antitrust Claims Spread Across Industries: Oil refiners, mall landlords, and medical-certification boards are all facing new suits—showing how antitrust challenges are expanding into energy, real estate, and professional services. Courts Keep New Market Theories Alive: Judges allowed claims involving cannabis products, generic drugs, and credit reporting to move forward, signaling that even emerging or highly regulated markets can trigge

Week of November 24, 2025 Top Takeaways Antitrust Reaches the Ride-Hailing Market: The Kretschmer  class action accuses Uber and taxi-app providers of forming a “ride-hailing cartel,” spotlighting growing scrutiny of algorithmic pricing and cross-platform fare alignment. Courts Refine the Boundaries of State and Private Action:  The DaveAir v. City of Monroe  decision highlights increasing judicial scrutiny of municipal and quasi-governmental conduct, reaffirming that state-a

Week of November 17, 2025 Top Takeaways FTC’s Meta Defeat Reframes Platform Monopoly Theory: A federal court rejected the FTC’s core market-definition in its Meta monopolization case, finding TikTok and YouTube direct competitors—undercutting narrow “social networking” theories that have anchored recent Big Tech challenges. Healthcare and Agriculture See Renewed Private Enforcement: New monopolization and price-fixing suits targeting New Jersey hospitals and California dairy

Week of November 10, 2025 Top Takeaways Short-Term Rentals Spark Antitrust Fight: Airbnb is suing Biloxi, claiming city rules and hotel-industry influence unfairly block new entrants—a reminder that local regulations can carry antitrust risk when driven by competitors. Courts Push Back on Weak or Late Claims: Judges dismissed cases over robotic repairs and college eligibility for being too old or speculative, signaling that plaintiffs must act quickly and show real market har

Week of November 3, 2025 Top Takeaways Pharma Faces New Front in the GLP-1 Wars: Pfizer’s suit to block Novo Nordisk’s $6.5 billion Metsera acquisition underscores rising private-party challenges to transactions viewed as stealth mergers aimed at eliminating future drug competition. Courts Keep Pressure on Dominant Platforms: The PayPal ruling trimmed but sustained parts of merchants’ antitrust claims, while 2311 Racing v. NASCAR  heads to trial on monopsony theories—reinforc

Week of October 27, 2025 Top Takeaways Google Faces Major Preclusion Blow: The In re Google Digital Advertising  MDL leveraged DOJ’s Virginia win to lock in liability findings against Google—eliminating key defenses and fast-tracking damages trials across the ad tech ecosystem. Pharma and Tech Trials Advance: Courts sent the Amitiza , Avadel/Jazz , and Celonis/SAP  monopolization cases toward trial, underscoring judicial willingness to test exclusionary conduct theories acros

Week of October 20, 2025 Top Takeaways Platform Power and Exclusion in the Crosshairs: New suits against HostGPO and Rippa spotlight growing antitrust exposure for companies using distribution controls, exclusivity clauses, or retaliatory tactics to police resale pricing or supplier access. Private Enforcement Extends Across Industries:  The latest filings—from heavy equipment to hospitality—show that plaintiffs are testing traditional monopolization and boycott theories in b

Week of October 13, 2025 Top Takeaways AI Competition in the Crosshairs: Microsoft and OpenAI’s relationship is under fire, with plaintiffs claiming their exclusive compute deal kept ChatGPT prices high—part of a broader trend of antitrust focus on AI platforms. Financial Institutions Under Pressure: A new class action accuses leading banks of coordinating prime lending rates for decades, a reminder that even long-standing industry benchmarks can invite antitrust risk. Mixed

Week of October 6, 2025 Top Takeaways Expanding Enforcement in Labor Markets: The Herzog and Paradise Tails filings exemplify continued Section 1 and state-law focus on wage-fixing and no-poach conduct—aligning with the DOJ’s post-2023 labor antitrust policy framework. Information Exchange as Coordinated Conduct: Mendez v. Optimal Blue reflects renewed scrutiny of algorithmic and platform-facilitated data sharing, echoing recent enforcement theories treating analytics hubs a

Week of September 29, 2025 Top Takeaways Big Names Under Fire: Meta, Zillow, and Aptar were hit with new lawsuits over alleged monopolistic tactics—showing that dominant tech and healthcare players remain squarely in the enforcement spotlight. Judges Are Demanding More Proof:   Recent dismissals in cases from LIBOR to eyewear demonstrate that courts expect concrete facts, not just theories—raising litigation risk for poorly supported claims. Healthcare Stays a Hot Zone:   Fro

Week of September 22, 2025 Top Takeaways Big Pharma Under Fire: Bausch faces a new reverse-payment class action—highlighting continued risk for branded drugmakers using settlements to delay generics. Illumina Targeted Again: Element Biosciences’ suit underscores heightened antitrust scrutiny of life sciences incumbents leveraging pricing and exclusivity to block rivals. NCAA Rule Struck Down: A federal court enjoined the “Five-Year Rule,” reinforcing that labor-market restrai