The fight between Amazon and the labor-regulation apparatus has reached a new, possibly pivotal stage. On September 15, 2025, the appeals court for the Ninth Circuit heard arguments over whether a federal anti-injunction statute should block Amazon from stalling an ongoing NLRB enforcement proceeding — or whether the company can use constitutional arguments to force the case off the books.
At issue: whether the statute addressing labor disputes — traditionally meant to prevent employers or unions from obtaining pre-emptive injunctions against each other — bars a major company from enjoining an administrative prosecution by the NLRB itself. For Amazon, the battle is huge. If the anti-injunction law applies, the company’s efforts to delay or derail the NLRB’s case could be foreclosed.
What is the Case About?
The case is formally captioned Amazon.com Services, LLC v. National Labor Relations Board, No. 25-886 (9th Cir.). Underlying the dispute is an NLRB prosecution against Amazon — alleging violations of labor law related to unionization, collective bargaining duties, or other unfair labor practices. The exact substance of the charges is part of ongoing litigation. Amazon asked the court to block the agency’s proceeding, arguing that the NLRB’s structure — and its power to adjudicate disputes — violates constitutional protections (particularly due process and separation of powers). In essence, Amazon argues that continuing the case would be unconstitutional. The company seeks relief by way of an injunction or declaratory judgment against the NLRB proceeding, which would prevent the Board from finalizing the case while its structural challenges proceed.
On the other side, the International Brotherhood of Teamsters — supported by the NLRB — has asked the Ninth Circuit to reject Amazon’s request, arguing that a longstanding federal law prohibiting injunctions in labor disputes (commonly known as the anti-injunction statute) precludes such a maneuver.
Importantly, this isn’t just a fight about whether Amazon can avoid a union or bargaining obligations — it’s a constitutional and procedural showdown about the power of the NLRB and the reach of federal labor-law protections.
What’s At Stake for Labor Rights, Employers, and Unions
- For employers: If Amazon succeeds, it could give large companies a playbook for challenging the NLRB’s authority — potentially delaying or derailing enforcement actions, union-organizing efforts, or bargaining mandates. That could weaken protections for workers and reduce deterrent power against unfair labor practices.
- For unions and workers: A ruling upholding the anti-injunction statute in this context would preserve the NLRB’s central role — meaning agency investigations and remedies remain available, even if employers raise constitutional challenges. That could prevent labor-disputes from being bogged down in lengthy litigation.
- For labor law generally: The Ninth Circuit’s decision may influence other circuits, especially given that several large employers (not only Amazon) have already brought or are planning similar structural challenges. A favorable ruling for Amazon could trigger a wave of litigation that reshapes the balance between administrative enforcement and corporate litigation strategies.
- For public policy and regulatory enforcement: Beyond labor law, this fight raises broader questions about how far agencies can rely on internal adjudication and enforcement without being vulnerable to judicial interference — a matter at the heart of administrative-law debates for years.
Final Thoughts
The Ninth Circuit is considering whether a federal anti-injunction law bars Amazon.com Services, LLC from seeking court intervention to block an ongoing National Labor Relations Board enforcement proceeding. Amazon bases its request on constitutional arguments — challenging the NLRB’s structure and claiming the administrative process violates due-process and separation-of-powers. The anti-injunction law, long used to prohibit employers and unions from seeking sweeping preliminary relief, is central to the NLRB and unions’ defense — they argue courts should not disrupt agency prosecutions.
If Amazon wins, it could open the door to more aggressive corporate use of litigation to challenge labor-law enforcement; if not, the NLRB’s role as the primary enforcer of labor standards will remain protected — at least in theory. The upcoming Ninth Circuit ruling may reshape the modern balance between employer rights, union protections, agency authority, and judicial intervention in labor disputes.
For further details, please contact the lawyers at Tobia & Lovelace Esq., LLC at 201-638-0990.

