Prosecution Insights
Last updated: October 04, 2026

Arentfox Schiff, LLP & Memorial Sloan-Kettering

Technology area: Biotechnology & Pharmaceuticals

7 pending office actions • 4 clients • 7 examiners • 6 art units • 0 of 7 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Analysis

ArentFox Schiff, LLP & Memorial Sloan-Kettering operates in the Biotechnology & Pharmaceuticals technology area, with 33493 career applications. This massive volume of work demonstrates extensive experience across the patent landscape. The firm is currently managing 4 pending office actions, indicating a highly focused active workload for this specific partnership.

The firm maintains a resolved allowance rate pct of 88.06, showing a high success rate across its large portfolio. Prosecution typically involves an avg office actions per allowance of 3.27. This average suggests that securing an allowance in Biotechnology & Pharmaceuticals often requires several rounds of negotiation with the USPTO.

The 88.06 resolved allowance rate pct across 33493 career applications underscores the firm's reliability as a large-scale prosecution partner. The 3.27 avg office actions per allowance provides a benchmark for clients expecting a thorough prosecution process. With 4 pending office actions, the firm continues to leverage its vast experience to achieve successful outcomes.

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

Quality Metrics (n=33493 apps, methodology: how we score firms)

88.1%
Allowance Rate
n=33493
+0.53σ
Allowance Rate (norm)
n=33493
3.3
OAs to Allowance
n=22466
-0.12σ
OAs to Allow (norm)
n=22466
1016 days
Time to Allowance
n=22466
+7.4pp
Interview Lift
n=33493
28.8%
RCE Rate
n=33493
1.4%
Appeal Rate
n=33493

Rejection Performance (% of received rejections ultimately overcome)

81.1%
§101 Overcome
n=3377
80.2%
§102 Overcome
n=9173
81.0%
§103 Overcome
n=14648
80.7%
§112 Overcome
n=8792

Specialization & Scale

H04L, H04W, G06F
Top CPC Subclasses
17%
Top-3 CPC Share
n=33493
20
Practitioners
n=33493
1674.6
Apps / Practitioner
n=33493

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

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.

3
Hard (43%)
3
Medium (43%)
1
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (14%)
§103 only1 (14%)
§112 only1 (14%)
Double-patenting + other2 (29%)
Multi-statute (no §101)2 (29%)

Industry Mix

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

6
Life Sciences
86% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
1
Business / Other
14% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DICKINSON, PAUL W 1 63.1% +9.5%
ZOU, NIANXIANG 1 64.1% +24.8%
WHEELER, THURMAN MICHAEL 1 45.8% +23.5%
HUYNH, PHUONG N 1 65.7% +53.6%
SULLIVAN, DENNIS JOHN 1 57.3% +49.1%
MIDDLETON, DANAYA L 1 48.5% +49.4%
VU, JAKE MINH 1 41.1% +27.2%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
17770259 HLA CLASS I SEQUENCE DIVERGENCE AND CANCER THERAPY MIDDLETON, DANAYA L 5d overdue
18750485 RECOMBINANT MVA OR MVADELE3L EXPRESSING HUMAN FLT3L AND USE THEREOF AS IMMUNO-THERAPEUTIC AGENTS AGAINST SOLID TUMORS ZOU, NIANXIANG —
18433538 METHODS OF CANCER TREATMENT VIA REGULATED FERROPTOSIS WHEELER, THURMAN MICHAEL —

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
17770259 HLA CLASS I SEQUENCE DIVERGENCE AND CANCER THERAPY MIDDLETON, DANAYA L 5d overdue
17909310 ANTI-CCR8 AGENTS SULLIVAN, DENNIS JOHN 14d
18750485 RECOMBINANT MVA OR MVADELE3L EXPRESSING HUMAN FLT3L AND USE THEREOF AS IMMUNO-THERAPEUTIC AGENTS AGAINST SOLID TUMORS ZOU, NIANXIANG —
18433538 METHODS OF CANCER TREATMENT VIA REGULATED FERROPTOSIS WHEELER, THURMAN MICHAEL —
17961761 NANOPARTICLE IMMUNOCONJUGATES HUYNH, PHUONG N —
17414414 INDUCING FAVORABLE EFFECTS ON TUMOR MICROENVIRONMENT VIA ADMINISTRATION OF NANOPARTICLE COMPOSITIONS VU, JAKE MINH —

Client Portfolio (4 clients)

Top Art Units

Art UnitApps
16711
16191
16411
16421
16741
16181

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18911705 NANOPARTICLE DRUG CONJUGATES Cornell University DICKINSON, PAUL W §102§103§112DP Non-Final OA — Pending Oct 10, 2024
18750485 RECOMBINANT MVA OR MVADELE3L EXPRESSING HUMAN FLT3L AND USE THEREOF AS IMMUNO-THERAPEUTIC AGENTS AGAINST SOLID TUMORS Memorial Sloan Kettering Cancer Center ZOU, NIANXIANG 1671 §103§112Other Non-Final OA — Pending Jun 21, 2024
18433538 METHODS OF CANCER TREATMENT VIA REGULATED FERROPTOSIS Cornell University WHEELER, THURMAN MICHAEL 1619 §102§103§112 Non-Final OA — Pending Feb 06, 2024
17961761 NANOPARTICLE IMMUNOCONJUGATES The Curators of the University of Missouri HUYNH, PHUONG N 1641 §112DP Final Rejection — Pending Oct 07, 2022
17909310 ANTI-CCR8 AGENTS Memorial Sloan Kettering Cancer Center SULLIVAN, DENNIS JOHN 1642 §112 Final Rejection 14d Pending Sep 02, 2022
17770259 HLA CLASS I SEQUENCE DIVERGENCE AND CANCER THERAPY Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. MIDDLETON, DANAYA L 1674 §101§112 Non-Final OA 5d overdue Pending Apr 19, 2022
17414414 INDUCING FAVORABLE EFFECTS ON TUMOR MICROENVIRONMENT VIA ADMINISTRATION OF NANOPARTICLE COMPOSITIONS Cornell University VU, JAKE MINH 1618 §103Other Non-Final OA — Pending Jun 16, 2021

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