Prosecution Insights
Last updated: October 04, 2026

Osiris Therapeutics Inc.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 3 art units • 3 examiners • 0 of 5 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Osiris Therapeutics Inc. maintains a robust prosecution pipeline within the Biotechnology & Pharmaceuticals technology area, currently managing 5 pending office actions. This level of activity indicates a significant and ongoing investment in protecting its intellectual property. These actions are distributed across 3 distinct examiners, providing a variety of perspectives on the company's patent applications and reducing the impact of any single examiner's review style.

The portfolio's reach extends across 3 distinct art units, suggesting a diverse range of technical focuses within the biotech and pharmaceutical fields. VAN BUREN, LAUREN K is the busiest examiner for the company, handling 3 pending office actions. This means that while there are 3 distinct examiners involved, a majority of the 5 pending actions are concentrated under a single individual's review. This concentration with a single examiner across multiple art units could lead to more consistent outcomes for the majority of the company's pending matters.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
0
Due this month
1
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 60 days (1)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

1
Hard (20%)
2
Medium (40%)
2
Easy (40%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (20%)
§103 only2 (40%)
Double-patenting only2 (40%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

5
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VAN BUREN, LAUREN K 3 39.8% +58.1%
TRUONG, QUANGLONG N 1 78.8% +23.6%
GHALI, ISIS A D 1 27.9% +41.6%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17854688 DISRUPTED CARTILAGE PRODUCTS GHALI, ISIS A D 93d overdue
18696785 COMPOSITIONS OF DECIDUA TISSUE AND USES THEREOF TRUONG, QUANGLONG N 3d overdue

Interview Candidates (5)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
17854688 DISRUPTED CARTILAGE PRODUCTS GHALI, ISIS A D 93d overdue
18696785 COMPOSITIONS OF DECIDUA TISSUE AND USES THEREOF TRUONG, QUANGLONG N 3d overdue
18584293 IMMUNOCOMPATIBLE AMNIOTIC MEMBRANE PRODUCTS VAN BUREN, LAUREN K 34d
18632923 THERAPEUTIC PRODUCTS COMPRISING VITALIZED PLACENTAL DISPERSIONS VAN BUREN, LAUREN K —
17401758 IMMUNOCOMPATIBLE AMNIOTIC MEMBRANE PRODUCTS VAN BUREN, LAUREN K —

Top Art Units

Art UnitApps
1638 3
1615 1
1611 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18632923 THERAPEUTIC PRODUCTS COMPRISING VITALIZED PLACENTAL DISPERSIONS VAN BUREN, LAUREN K 1638 DP Non-Final OA — Pending Apr 11, 2024
18696785 COMPOSITIONS OF DECIDUA TISSUE AND USES THEREOF TRUONG, QUANGLONG N 1615 §101 Final Rejection 3d overdue Pending Mar 28, 2024
18584293 IMMUNOCOMPATIBLE AMNIOTIC MEMBRANE PRODUCTS VAN BUREN, LAUREN K 1638 DP Final Rejection 34d Pending Feb 22, 2024
17854688 DISRUPTED CARTILAGE PRODUCTS GHALI, ISIS A D 1611 §103Other Final Rejection 93d overdue Pending Jun 30, 2022
17401758 IMMUNOCOMPATIBLE AMNIOTIC MEMBRANE PRODUCTS VAN BUREN, LAUREN K 1638 §103 Non-Final OA — Pending Aug 13, 2021

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