Prosecution Insights
Last updated: October 25, 2026

Purdue - Flaster Greenberg P.C.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 2 clients • 5 examiners • 5 art units • 0 of 5 (0%) have an AI response strategy ready

Analysis

Purdue - Flaster Greenberg P.C. has managed 39 career applications in the Biotechnology & Pharmaceuticals technology area. The firm has achieved a resolved allowance rate of 50.0. Prosecution involves an average of 4.0 office actions per allowance to reach a final outcome.

Currently, the firm is overseeing 5 pending office actions. This active docket is part of a history that includes 39 career applications. The 50.0 resolved allowance rate serves as a performance metric for the firm's work in the Biotechnology & Pharmaceuticals sector.

An average of 4.0 office actions per allowance indicates the engagement with patent examiners. With 5 pending office actions currently active, the firm continues to prosecute applications within its technical field, building on its previous experience.

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

Quality Metrics (n=39 apps, methodology: how we score firms)

50.0%
Allowance Rate
n=39
+0.10σ
Allowance Rate (norm)
n=39
—
OAs to Allowance
n=1 (min 20)
—
OAs to Allow (norm)
n=1 (min 20)
—
Time to Allowance
n=1 (min 20)
+100.0pp
Interview Lift
n=39
150.0%
RCE Rate
n=39
0.0%
Appeal Rate
n=39

Rejection Performance (% of received rejections ultimately overcome)

—
§101 Overcome
n=3 (min 20)
—
§102 Overcome
n=9 (min 20)
—
§103 Overcome
n=8 (min 20)
—
§112 Overcome
n=9 (min 20)

Specialization & Scale

A61K, A61P, C12N
Top CPC Subclasses
58%
Top-3 CPC Share
n=39
0
Practitioners
n=39
—
Apps / Practitioner
n=39 (min 20)

Portfolio Summary

5
Total Pending OAs
2
Non-Final OAs
2
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

4
Overdue
0
Due this week
0
Due this month
0
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (4)

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.

4
Hard (80%)
1
Medium (20%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (20%)
Multi-statute (no §101)4 (80%)

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
FUBARA, BLESSING M 1 62.2% +34.1%
DAVIS, BRIAN J 1 84.8% -3.9%
OGUNBIYI, OLUWATOSIN A 1 63.8% +41.2%
WORSHAM, JESSICA N 1 56.6% +56.4%
COUGHLIN, MATTHEW P 1 71.3% +12.5%

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18123018 Circularly Recyclable Polymers Featuring Topochemically Elongated Carbon-Carbon Bonds COUGHLIN, MATTHEW P 36d overdue
18550036 NOVEL VACCINE FORMULATIONS FOR MYCOBACTERIUM TUBERCULOSIS AND USE OF THEREOF OGUNBIYI, OLUWATOSIN A 17d overdue
18285439 IMMUNOFUNCTIONAL CARRIER, METHODS OF USES, AND COMPOSITION MATTERS AS AN ANTITUMOR IMMUNOTHERAPY DAVIS, BRIAN J 3d overdue
18702531 NANOPARTICLE-BASED ABUSE-DETERRENT FORMULATIONS AND METHODS OF MAKING AND USING FUBARA, BLESSING M —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18034969 NON-CATIONIC SOFT POLYPHENOL NANOCAPSULES FOR EFFECTIVE SYSTEMIC DELIVERY OF SMALL INTERFERING RNA (siRNA) FOR CANCER TREATMENT WORSHAM, JESSICA N 44d overdue
18123018 Circularly Recyclable Polymers Featuring Topochemically Elongated Carbon-Carbon Bonds COUGHLIN, MATTHEW P 36d overdue
18550036 NOVEL VACCINE FORMULATIONS FOR MYCOBACTERIUM TUBERCULOSIS AND USE OF THEREOF OGUNBIYI, OLUWATOSIN A 17d overdue
18702531 NANOPARTICLE-BASED ABUSE-DETERRENT FORMULATIONS AND METHODS OF MAKING AND USING FUBARA, BLESSING M —

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Purdue University 4
Houston Methodist 1

Top Art Units

Art UnitApps
16131
16141
16451
16151
16261

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18702531 NANOPARTICLE-BASED ABUSE-DETERRENT FORMULATIONS AND METHODS OF MAKING AND USING Purdue Research Foundation FUBARA, BLESSING M 1613 §103§112 Non-Final OA — Pending Apr 18, 2024
18285439 IMMUNOFUNCTIONAL CARRIER, METHODS OF USES, AND COMPOSITION MATTERS AS AN ANTITUMOR IMMUNOTHERAPY Purdue Research Foundation DAVIS, BRIAN J 1614 §102§112 Non-Final OA 3d overdue Pending Oct 03, 2023
18550036 NOVEL VACCINE FORMULATIONS FOR MYCOBACTERIUM TUBERCULOSIS AND USE OF THEREOF Houston Methodist Research Institute OGUNBIYI, OLUWATOSIN A 1645 §102§103§112 Final Rejection 17d overdue Pending Sep 11, 2023
18034969 NON-CATIONIC SOFT POLYPHENOL NANOCAPSULES FOR EFFECTIVE SYSTEMIC DELIVERY OF SMALL INTERFERING RNA (siRNA) FOR CANCER TREATMENT Purdue Research Foundation WORSHAM, JESSICA N 1615 §103 Final Rejection 44d overdue Pending May 02, 2023
18123018 Circularly Recyclable Polymers Featuring Topochemically Elongated Carbon-Carbon Bonds Purdue Research Foundation COUGHLIN, MATTHEW P 1626 §102§112 Non-Final OA 36d overdue Pending Mar 17, 2023

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Frequently Asked Questions

What is Purdue - Flaster Greenberg P.C.'s patent allowance rate?

50.0% of resolved applications prosecuted by Purdue - Flaster Greenberg P.C. were allowed, across 39 applications in USPTO records.

How many office actions does Purdue - Flaster Greenberg P.C. average before allowance?

4.00 office actions per allowed application on average.

How many pending office actions does Purdue - Flaster Greenberg P.C. have?

5 pending office actions as of October 2026, for 2 clients, before 5 examiners in 5 art units.

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