AIM ImmunoTech Announces Final Approval of Novel Cancer Therapy Patent in Japan Combining Ampligen with Checkpoint Inhibitors
AIM ImmunoTech Inc. (AIM)
Company Research
Source: GlobeNewswire
OCALA, Fla., March 18, 2026 (GLOBE NEWSWIRE) -- AIM ImmunoTech Inc. (NYSE American: AIM) (“AIM” or the “Company”) today announced that the Japan Patent Office has fully approved a Japanese patent covering the Company’s proprietary use of Ampligen (rintatolimod) in combination with checkpoint inhibitors (anti-PD-1 or anti-PD-L1 antibodies) for the treatment of cancer. The patent was granted in September 2025, but had to then pass a 6-month opposition period. Japan is one of the largest health markets in the world, with Japan and the United States expected to experience the greatest increase in global pancreatic cancer burden by 2030. The Japan patent expires December 20, 2039. The allowed claims in Japan cover an agent for treating cancer consisting of Ampligen in combination with a checkpoint inhibitor. The claims are broad and encompass multiple cancer types – including pancreatic cancer. AIM also holds a U.S. patent (expires August 9, 2039) for methods involving the use of Amplig
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News
- AIM ImmunoTech Announces Final Approval of Novel Cancer Therapy Patent in Japan Combining Ampligen with Checkpoint Inhibitors [Yahoo! Finance]Yahoo! Finance
- AIM ImmunoTech Announces Closing of its Rights Offering [Yahoo! Finance]Yahoo! Finance
- AIM ImmunoTech Announces Closing of its Rights OfferingGlobeNewswire
- AIM ImmunoTech Announces Expiration and Preliminary Results of its Rights Offering for Aggregate Gross Proceeds of $1.8 Million [Yahoo! Finance]Yahoo! Finance
- AIM ImmunoTech Announces Expiration and Preliminary Results of its Rights Offering for Aggregate Gross Proceeds of $1.8 MillionGlobeNewswire
AIM
Sec Filings
- 3/16/26 - Form 4
- 3/16/26 - Form 4
- 3/10/26 - Form 4
- AIM's page on the SEC website