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Law firms advising the psychedelics industry — corporate, regulatory, IP, and policy counsel. Updated 2026-07.
The psychedelic industry is wrapped in regulatory complexity — controlled-substance scheduling, clinical-trial and FDA matters, securities and financings, intellectual property, and fast-moving state law. These 20 firms have active psychedelics (or psychedelics-and-cannabis) practices. This directory is informational, not a referral or endorsement — vet any firm independently.
20 firms shown
Full-service Bay Street firm whose Cannabis Group and Aird & McBurney IP arm advise public and private companies on psychedelics pharmaceutical development, clinical operations, capital markets and IP across Canada, the US and globally. Recognized as a psychedelics-industry leader by Chambers.
One of Canada's largest full-service firms; its Cannabis Industry Focus Group advises clients on innovation, finance, drug-substance manufacture, and clinical and data work in psychedelics, plus pro bono efforts to broaden medical access.
Boutique intellectual-property firm founded by patent attorney Graham Pechenik focused on cannabis and psychedelics IP, patent prosecution and challenges. Pechenik was co-counsel in a successful challenge to DEA scheduling of five psychedelic tryptamines and is editor-at-large at Psychedelic Alpha.
Fully-distributed transactional and corporate firm (founded 2017 by Hannah Genton and Noam Cohen) providing corporate, IP and regulatory counsel to cannabis and emerging-industry clients, and publishing on psychedelics legality.
Full-service West Coast cannabis business firm handling transactional, compliance and litigation work that also markets a psychedelic-law practice and advocates for psychedelic and plant-medicine reform.
Large US/Canada firm whose Psychedelics Law team counsels product developers, clinicians, financial institutions and investors across the research, development, funding and commercialization lifecycle in the regulated psychedelics market.
Boutique business firm (founded 2014) specializing in cannabis and psychedelics; its attorneys helped draft Oregon's Measure 109 psilocybin-services law and advise clients across Oregon's psilocybin program and the broader psychedelics space. Absorbed clients from the wound-down Plant Medicine Law Group.
Interdisciplinary firm whose Cannabis & Psychedelics Practice Group (chaired by Andrew Cooper) advises on business formation, fundraising, real estate, tax, licensing and IP for cannabis and psychedelic-medicine and therapy businesses.
Industry-focused firm covering cannabis, psychedelics and corporate/M&A work; advises on state psychedelics licensing (healing center, cultivation, facilitator) and FDA/DEA compound-development pathways. Ranked Band 1 for Psychedelics Law by Chambers; partner Courtney Barnes leads psychedelics work.
Mission-driven boutique led by Marc Z. Goldgrub focused on psychedelic law, green business and corporate law, serving Canadian psychedelic-sector businesses, nonprofits and practitioners on controlled-substances compliance, contracts and policy (also operates PsychedelicLaw.ca).
International business firm (formerly Harris Bricken) known for its cannabis and psychedelics practices, advising on licensing, compliance, corporate structure and IP for the psychedelics, cannabis and hemp industries, and publishing the Psychedelics Law Blog.
Regional full-service firm with a Cannabis and Psychedelics Law group (led by Band 1 cannabis lawyer Rachel Gillette) supporting operators, product developers and investors on state and federal compliance across both industries.
The first Am Law 100 firm to launch a dedicated Psychedelics & Emerging Therapies practice (2022) — an interdisciplinary team advising innovators researching, developing and commercializing psychedelic drugs on FDA/DEA and state compliance, corporate structuring, IP and healthcare regulation.
Full-service UK firm (est. 1845) that established the UK's first dedicated psychoactive-medicines legal team, led by Elliott Rolfe, providing regulatory, corporate and commercial advice to psychedelic-medicine, medicinal-cannabis and CBD businesses, clinics and researchers.
Cannabis and hemp boutique (managing partner Meital Manzuri) offering California and Colorado psychedelic-law services, drawing on cannabis-industry experience to advise on market opportunities, government-approved psychedelic drugs and local decriminalization.
National Canadian business firm with one of the country's largest cannabis practice groups and significant psychedelics expertise, advising on capital markets, licensing and access pathways (Section 56 exemptions, the Special Access Program, clinical trials).
Full-service firm focused exclusively on the cannabis and psychedelics industries, founded by Dustin Robinson (who also co-founded the reform nonprofit Mr. Psychedelic Law); advises on licensing, transactions and Florida reform efforts.
Texas business, hemp and cannabis firm whose psychedelics practice group is led by Hadas Alterman (co-founder of the former Plant Medicine Law Group), advising businesses, investors and nonprofits and handling high-profile psychedelics-policy matters.
Leading cannabis and psychedelics law and policy firm (formerly Vicente Sederberg) with roughly three dozen attorneys across nine-plus US offices, providing regulatory, licensing, corporate and policy services and a growing natural-medicine practice in Oregon and Colorado.
Boutique trial firm with a Chambers Band 1-ranked psychedelics litigation practice; partner Matthew Zorn was co-lead litigator in AIMS Institute v. DEA seeking to reschedule psilocybin, and the firm advises clients across the emerging psychedelics space.
Run a firm with a psychedelics practice, or spot one we should add, update, or remove? Get in touch. Listing here is informational only and is not legal advice, a referral, or an endorsement.