Ohio Hemp Companies Sue State To Block THC Product Restrictions

The Legal Challenge

The lawsuit, filed in federal court, argues that Ohio's new hemp regulations violate the Commerce Clause and federal preemption doctrine by treating 2018 Farm Bill-compliant hemp as a controlled substance. Plaintiffs include manufacturers and distributors of hemp-derived THC beverages who face immediate business disruption under the state's enforcement regime.

The core legal argument: federally legal hemp containing THC derived from cannabis plants with less than 0.3% delta-9 THC on a dry-weight basis can't be reclassified as marijuana by state law. Ohio's statute does exactly that, according to the complaint.

"The moment federally legal hemp crosses Ohio's borders, it becomes 'marijuana' for purposes of Ohio law," the complaint states. That reclassification triggers Ohio's controlled-substance framework. It subjects hemp businesses to criminal penalties and civil enforcement actions.

What Ohio's Law Does

Ohio's new cannabis statute imposes THC concentration limits and mandatory licensing on hemp-derived intoxicating products, effectively shutting down the unregulated hemp-THC market that emerged after the 2018 Farm Bill. The law treats products containing delta-8 THC, delta-10 THC, THCA, and other hemp-derived cannabinoids as marijuana if they exceed specified thresholds.

Key restrictions include:

• Total THC limits per serving and per package
• Mandatory state licensing for manufacturers and retailers
• Product testing and labeling requirements identical to adult-use cannabis
• Prohibition on sales through unlicensed retailers, including convenience stores and gas stations

The law took effect in phases starting in early 2026. Enforcement against non-compliant hemp businesses began ramping up in May.

The Plaintiffs' Stakes

The eleven companies represent a cross-section of the Ohio hemp beverage market, from small regional distributors to national brands with Ohio retail accounts. None are named in the public filing summary, but the class action structure allows other similarly situated businesses to join.

Their business model: manufacturing or distributing beverages infused with hemp-derived THC, sold through convenience stores, gas stations, and smoke shops without cannabis licenses. Ohio's law eliminates that channel overnight.

Financial exposure is immediate. Inventory already in Ohio retail locations becomes unsellable without state licenses that require months to obtain and compliance infrastructure most small hemp companies can't afford.

Federal Preemption Argument

The lawsuit hinges on the 2018 Farm Bill's explicit legalization of hemp and hemp-derived products, which plaintiffs argue preempts conflicting state restrictions. The Farm Bill removed hemp from the Controlled Substances Act and prohibited states from interfering with interstate hemp commerce.

Ohio's statute does both, the complaint argues. By reclassifying federally legal hemp as marijuana, the state creates a barrier to interstate commerce that the Farm Bill forbids.

The federal preemption doctrine prevents states from enacting laws that conflict with federal statutes. When Congress legalized hemp in 2018, it intended to create a national market free from state-by-state marijuana prohibitions.

The Commerce Clause claim adds a second layer: Ohio can't discriminate against out-of-state hemp products by subjecting them to restrictions that effectively ban their sale within state borders.

Ohio's Defense Posture

Ohio officials haven't yet filed a formal response, but the state's position in prior administrative proceedings signals a straightforward defense: the Farm Bill doesn't legalize intoxicating hemp products, only industrial hemp and non-intoxicating derivatives. State regulators argue that delta-8 THC, THCA, and similar cannabinoids fall outside the Farm Bill's safe harbor when sold in intoxicating concentrations.

That interpretation aligns with guidance from the U.S. Drug Enforcement Administration, which has maintained that synthetically derived or converted cannabinoids remain controlled substances even when sourced from legal hemp. Ohio's law treats chemically converted delta-8 and delta-10 as marijuana analogs.

The state also argues it has broad police powers to regulate intoxicating substances within its borders, regardless of their federal status. Alcohol is federally legal but subject to extensive state control; Ohio contends hemp-THC products warrant the same framework.

What Happens Next

Plaintiffs are seeking a preliminary injunction to halt enforcement while the case proceeds, a motion that could be heard within 30 to 60 days. If granted, Ohio would be barred from enforcing the hemp provisions until a final ruling on the merits.

The case will likely turn on whether courts interpret the 2018 Farm Bill as legalizing all hemp-derived cannabinoids or only those that don't produce intoxication. No federal appellate court has definitively ruled on that question. That makes this lawsuit a test case with national implications.

For full background on this story, see the CannIntel topic hub on Ohio Hemp THC Restrictions. We'll be watching the preliminary injunction hearing date and Ohio's response brief, both expected by mid-July.