RIKEN Patent - Paraprevotella Bacterium Inhibits Trypsin Activity
Summary
The European Patent Office published patent EP3851517A1, granting RIKEN exclusive rights in 34 designated member states to a composition containing Paraprevotella bacterium for inhibiting trypsin activity. The composition contains the bacterium as the active ingredient and covers therapeutic and industrial applications of the trypsin inhibitor.
What changed
EPO published patent EP3851517A1 granting RIKEN exclusive rights to a composition containing Paraprevotella bacterium as an active ingredient for inhibiting trypsin activity. The patent names six inventors and covers applications in multiple European designated states including Germany, France, United Kingdom, Italy, Spain, and 28 others.
Affected parties include manufacturers developing enzyme inhibitors, pharmaceutical companies researching digestive disorders, and biotechnology firms working with protease-related applications. Any parties considering research or commercial development involving trypsin inhibition using Paraprevotella-based compositions should evaluate potential licensing needs or design-around strategies to avoid infringement.
What to do next
- Monitor for licensing opportunities
- Assess freedom-to-operate if developing trypsin inhibitors
- Review patent claims for scope of protection
Archived snapshot
Apr 8, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
COMPOSITION FOR INHIBITING TRYPSIN ACTIVITY, CONTAINING, AS ACTIVE INGREDIENT, BACTERIUM BELONGING TO GENUS PARAPREVOTELLA
Publication EP3851517A1 Kind: A1 Apr 01, 2026
Applicants
RIKEN
Inventors
HONDA Kenya, NARUSHIMA Seiko, WATANABE Eiichiro, OHARA Osamu, KAWASHIMA Yusuke, LI Youxian
IPC Classifications
C12N 1/00 20060101AFI20220511BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Named provisions
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Source
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