Recombinant Lubricin Patent - Schmidt and Jay Inventors
Summary
USPTO published patent application US20260098069A1 for recombinant isoforms of human-like lubricin (PRG4 glycoprotein) invented by Tannin A. Schmidt and Gregory D. Jay. The patent covers new lubricin isoforms with novel glycosylation patterns and methods for commercial-scale manufacturing using recombinant production methods.
What changed
USPTO published international patent application US20260098069A1 on April 9, 2026, covering recombinant isoforms of human-like lubricin (PRG4 glycoprotein) invented by Schmidt and Jay. The application discloses lubricin variants with enhanced lubrication properties and novel glycosylation patterns, along with manufacturing methods enabling commercial-scale production at high expression levels.
For biotechnology and pharmaceutical companies developing synovial joint therapies, dermal lubricants, or ocular applications, this patent establishes prior art in the recombinant lubricin space. Competitors must assess freedom-to-operate before entering this field. The patent's broad glycosylation and production method claims may require licensing negotiations for commercialization of similar recombinant products.
What to do next
- Monitor patent claims for freedom-to-operate analysis
- Evaluate licensing opportunities for recombinant lubricin production
- Review patent scope for competitive R&D implications
Archived snapshot
Apr 9, 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.
PRODUCTION OF RECOMBINANT LUBRICIN
Application US20260098069A1 Kind: A1 Apr 09, 2026
Inventors
Tannin A. Schmidt, Gregory D. Jay
Abstract
Disclosed are new recombinant isoforms of human-like lubricin or PRG4 glycoprotein having outstanding lubrication properties and a novel glycosylation pattern, and methods for their manufacture at high levels enabling commercial production.
CPC Classifications
C07K 14/4725 A61K 9/0014 A61K 9/0019 A61K 9/0048 A61K 9/008 A61K 31/728 A61K 38/1709 A61K 47/36 C12P 21/005
Filing Date
2025-10-06
Application No.
19350714
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Source
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