Bonus TL;DR
- Maine’s online casino market launch is now officially expected to slip into the first quarter of 2027, as state regulators embark on a third round of draft rules with a public comment period ending October 30.
- While the state’s tribal-only iGaming law technically took effect earlier this year, the market remains in limbo due to an ongoing administrative bottleneck and a pending federal lawsuit from commercial casino operators, including Churchill Downs, challenging the state’s exclusionary licensing model.
The online casino market in Maine is now more likely to launch in the first quarter of 2027 than by the end of 2026, according to Gambling Control Unit Executive Director Milton Champion.
That timeline matters because Maine has already legalized online casino, but operators and players still cannot access the market while rulemaking and licensing remain unfinished. The state’s tribal-only framework is also facing a pending federal court challenge, though no injunction has paused the law.
The Maine Gambling Control Unit published its third round of draft internet gaming rules on Sept. 30, 2026. Written comments are due by 11:59 p.m. on Oct. 30, 2026, and no public hearing is scheduled for this round.
If the agency makes no substantive changes after the comment period, the final rules would go to the Maine Attorney General’s office for legal review, a process that can take up to 120 days. If regulators make substantive edits, a fourth public comment round would be required before the rules can move forward.
Rulemaking still stands between legalization and launch
Maine’s internet gaming law took effect on Jan. 11, 2026, after becoming law without Gov. Janet Mills’ signature. The statute limits online casino licenses to the state’s four federally recognized tribal nations:
- Houlton Band of Maliseet Indians
- Mi’kmaq Nation
- Passamaquoddy Tribe
- Penobscot Nation
Each tribe is allowed to contract with one management services provider to operate an online casino platform.
Champion’s updated launch estimate suggests the administrative process will extend beyond the end of this year, even before accounting for any additional changes that could emerge from the latest comment period.
Federal lawsuit against tribal-only model is still pending
The law is also being challenged in federal court by Oxford Casino Hotel, BB Development LLC, and Churchill Downs Incorporated, which sued Champion on Jan. 23, 2026 in the U.S. District Court for the District of Maine.
The plaintiffs argue Maine’s tribal-only licensing structure violates the Equal Protection Clause and the dormant Commerce Clause. The state and the four tribes, which intervened as defendants, deny those claims.
The case is pending before Judge Lance E. Walker, and cross-motions for summary judgment were fully briefed by the end of June 2026. So far, however, no injunction has been issued.
That means Maine’s online casino law remains in force while the litigation continues. For now, the next deadlines to watch are the Oct. 30 rule comment cutoff, any decision on further revisions to the rules, and whether the court acts before the state finishes the regulatory process.
Source: As reported by Shannon Lane.