Incannex Secures U.S. Patent Grant for IHL-42X in Obstructive Sleep Apnea

About this update from Incannex Healthcare Inc.

MELBOURNE, Australia and NEW YORK, June 25, 2026 (GLOBE NEWSWIRE) -- Incannex Healthcare Inc. (Nasdaq: IXHL) ("Incannex" or the "Company"), a clinical-stage biopharmaceutical company developing innovative combination therapies for high-impact indications, today announced that the United States Patent and Trademark Office (USPTO) has granted a key patent titled "Compositions and Methods of Treatment for Obstructive Sleep Apnea." The granted patent includes claims directed to the proprietary IHL-42X composition and its associated therapeutic methods for the treatment of Obstructive Sleep Apnea (OSA). The patent is expected to have a baseline expiry date of 9 July 2040 and the Company is exploring its eligibility for patent term extension following potential U.S. Food and Drug Administration (FDA) approval, with a view to further enhancing the long-term exclusivity of the asset. The grant of this patent represents a significant milestone in the advancement of IHL-42X and materially strengthens Incannex's intellectual property portfolio supporting its lead clinical program. The Company continues to actively review data generated across the IHL-42X development program with the objective of filing additional patent applications to further expand and protect the commercial and strategic value of the asset. IHL-42X is being developed as a novel oral combination therapy for the treatment of OSA, a condition with substantial unmet medical need, where long-term patient compliance and treatment effectiveness remain key challenges. The strengthened U.S. patent position significantly enhances the commercial value of IHL-42X by protecting the Company's proprietary oral combination therapy and supporting long-term market exclusivity. Together with FDA Fast Track designation, positive Phase II clinical data and ongoing advancement into the DReAMzz dose optimisation study, the patent further strengthens the strategic positioning of IHL-42X as a potentially differentiated pharmaceutical treatment for OSA. Joel Latham, President and Chief Executive Officer of Incannex, commented: "The grant of this U.S. patent represents another major milestone in the evolution of the IHL-42X program and further validates what we believe is one of the most compelling development opportunities in sleep medicine. OSA affects an estimated one billion people globally and remains a significantly underserved market where current treatment options continue to suffer from poor long-term patient adherence. We believe this creates an extraordinary commercial opportunity for a safe, effective and convenient oral pharmaceutical therapy.

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