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Last Updated: December 16, 2025

Claims for Patent: 8,790,656

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Summary for Patent: 8,790,656

Title:	PRRSV vaccines
Abstract:	The invention relates to the field of PRRS viruses and infectious clones obtained from PRRS viruses. Furthermore, the invention relates to vaccines and diagnostic assays obtainable by using and modifying such infectious clones of PRRS viruses. The invention provides a porcine reproductive and respiratory syndrome virus (PRRSV) replicon having at least some of its original PRRSV nucleic acid deleted, said replicon capable of in vivo RNA replication, said replicon further having been deprived of at least some of its original PRRSV nucleic acid and/or having been supplemented with nucleic acid derived from a heterologous microorganism.
Inventor(s):	Johanna Jacoba Maria Meulenberg, Monique Helene Verheije
Assignee:	Boehringer Ingelheim Vetmedica GmbH
Application Number:	US11/422,970

Details for Patent 8,790,656

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Eusa Pharma (uk) Limited	SYLVANT	siltuximab	For Injection	125496	April 23, 2014	⤷ Get Started Free	2026-06-08
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 8,790,656

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Country	Patent Number	Estimated Expiration
South Africa	979732	⤷ Get Started Free
World Intellectual Property Organization (WIPO)	9818933	⤷ Get Started Free
World Intellectual Property Organization (WIPO)	02095040	⤷ Get Started Free
>Country	>Patent Number	>Estimated Expiration

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