Immunogenic Trimers - International AIDS Vaccine Initiative

USPTO issued Patent US12605441B2 to International AIDS Vaccine Initiative, Inc. on April 21, 2026, covering immunogenic trimer compositions designed for HIV vaccine applications. The patent discloses PGT121-germline-targeting designs, trimer stabilization methods, modified surface trimers for immunization regimens, and trimer nanoparticle configurations, along with methods of making and using them. The patent contains 12 claims and lists six inventors: Jon Steichen, Dan Kulp, Xiaozhen Hu, Sergey Menis, William Schief, and Sebastian Raemisch.

Pharmaceutical and biotechnology companies developing HIV vaccine immunogens should review this patent to assess potential freedom-to-operate implications. The granted claims covering germline-targeting trimer designs and trimer nanoparticles may be relevant to parties working in adjacent HIV vaccine research or intending to commercialize related immunogen compositions.