Prosecution Insights
Last updated: October 25, 2026

Arentfox Schiff, LLP & Dfci

Technology area: Biotechnology & Pharmaceuticals

8 pending office actions • 3 clients • 8 examiners • 5 art units • 0 of 8 (0%) have an AI response strategy ready • 20 patents granted in the last 365 days

Analysis

ArentFox Schiff, LLP & DFCI has 9 pending office actions in Biotechnology & Pharmaceuticals and 33400 career applications. The current docket can be viewed against a broad application history in this technology area.

The resolved allowance rate is 87.96%, with an average of 3.27 office actions per allowance. Successful resolution is common in the reported record, but allowance generally follows several examination actions. Practitioners should prepare for iterative claim development and sustained attention to technical support.

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

Quality Metrics (n=33400 apps, methodology: how we score firms)

88.0%
Allowance Rate
n=33400
+0.53σ
Allowance Rate (norm)
n=33400
3.3
OAs to Allowance
n=22413
-0.12σ
OAs to Allow (norm)
n=22413
1018 days
Time to Allowance
n=22413
+7.4pp
Interview Lift
n=33400
28.9%
RCE Rate
n=33400
1.4%
Appeal Rate
n=33400

Rejection Performance (% of received rejections ultimately overcome)

81.1%
§101 Overcome
n=3366
80.0%
§102 Overcome
n=9173
80.8%
§103 Overcome
n=14666
80.4%
§112 Overcome
n=8776

Specialization & Scale

H04L, H04W, G06F
Top CPC Subclasses
17%
Top-3 CPC Share
n=33400
20
Practitioners
n=33400
1670.0
Apps / Practitioner
n=33400

Portfolio Summary

8
Total Pending OAs
3
Non-Final OAs
5
Final Rejections
0
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.

2
Overdue
0
Due this week
1
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. 4 of the docket's apps have a known mailing date.

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

3
Hard (38%)
2
Medium (25%)
2
Easy (25%)
1
Unknown (12%)

Rejection Statute Mix

BucketCases
§102 only1 (12%)
§112 only1 (12%)
Double-patenting only1 (12%)
Double-patenting + other1 (12%)
Multi-statute (no §101)3 (38%)
No statute on record1 (12%)

Industry Mix

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

8
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.

80 h
Manual time on pending OAs
16 h
Time saved (low, 20%)
28 h
Time saved (mid, 35%)
0.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NEAGU, IRINA 1 46.7% +57.2%
DEKARSKE, MADELINE MCGUIRE 1 20.0% +50.0%
CHICKS, ASHLI ARIANA 1 60.0% +51.0%
HUI, SAN MING R 1 59.6% +20.0%
TOWNSLEY, SARA ELIZABETH 1 25.6% +48.2%
HEITMEIER, KENDALL NICOLE 1 65.1% +41.1%
LADD, CAROLYN LOUISE 1 58.6% +47.1%
PECKHAM, RICHARD GRANT 1 68.1% +36.1%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
17801709 POTENT AND SELECTIVE DEGRADERS OF ALK HEITMEIER, KENDALL NICOLE 182d overdue
17265139 HISTONE DEMETHYLASE 5 INHIBITORS AND USES THEREOF PECKHAM, RICHARD GRANT 42d overdue
18031077 PIPERIDINYL SMALL MOLECULE DEGRADERS OF HELIOS AND METHODS OF USE TOWNSLEY, SARA ELIZABETH 13d
18576068 DEGRADERS OF WILD-TYPE AND MUTANT FORMS OF LRRK2 AND USES THEREOF NEAGU, IRINA —
18557225 CLASS IIA HISTONE DEACETYLASE (HDAC) DEGRADER LIGANDS AND METHODS OF USE THEREOF DEKARSKE, MADELINE MCGUIRE —

Interview Candidates (8)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
17801709 POTENT AND SELECTIVE DEGRADERS OF ALK HEITMEIER, KENDALL NICOLE 182d overdue
17265139 HISTONE DEMETHYLASE 5 INHIBITORS AND USES THEREOF PECKHAM, RICHARD GRANT 42d overdue
18031077 PIPERIDINYL SMALL MOLECULE DEGRADERS OF HELIOS AND METHODS OF USE TOWNSLEY, SARA ELIZABETH 13d
18281861 INHIBITORS OF THE PEPTIDYL-PROLYL CIS/TRANS ISOMERASE (PIN1) AND USES THEREOF CHICKS, ASHLI ARIANA 54d
18576068 DEGRADERS OF WILD-TYPE AND MUTANT FORMS OF LRRK2 AND USES THEREOF NEAGU, IRINA —
18557225 CLASS IIA HISTONE DEACETYLASE (HDAC) DEGRADER LIGANDS AND METHODS OF USE THEREOF DEKARSKE, MADELINE MCGUIRE —
18280877 EP300 DEGRADER AND USES THEREOF IN NEUROBLASTOMA HUI, SAN MING R —
17621057 HCK DEGRADERS AND USES THEREOF LADD, CAROLYN LOUISE —

Client Portfolio (3 clients)

Top Art Units

Art UnitApps
16292
16222
16272
16261
16211

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18576068 DEGRADERS OF WILD-TYPE AND MUTANT FORMS OF LRRK2 AND USES THEREOF DANA-FARBER CANCER INSTITUTE, INC. NEAGU, IRINA 1629 §103§112 Non-Final OA — Pending Jan 02, 2024
18557225 CLASS IIA HISTONE DEACETYLASE (HDAC) DEGRADER LIGANDS AND METHODS OF USE THEREOF DANA-FARBER CANCER INSTITUTE, INC. DEKARSKE, MADELINE MCGUIRE 1622 Other Final Rejection — Pending Oct 25, 2023
18281861 INHIBITORS OF THE PEPTIDYL-PROLYL CIS/TRANS ISOMERASE (PIN1) AND USES THEREOF Yeda Research And Devlopment Co. Ltd. CHICKS, ASHLI ARIANA 1626 §102Other Non-Final OA 54d Pending Sep 13, 2023
18280877 EP300 DEGRADER AND USES THEREOF IN NEUROBLASTOMA DANA-FARBER CANCER INSTITUTE, INC. HUI, SAN MING R 1627 §112Other Final Rejection — Pending Sep 07, 2023
18031077 PIPERIDINYL SMALL MOLECULE DEGRADERS OF HELIOS AND METHODS OF USE Neomorph, Inc. TOWNSLEY, SARA ELIZABETH 1629 §112DP Non-Final OA 13d Pending Apr 10, 2023
17801709 POTENT AND SELECTIVE DEGRADERS OF ALK DANA-FARBER CANCER INSTITUTE, INC. HEITMEIER, KENDALL NICOLE 1621 §102§103§112 Final Rejection 182d overdue Pending Aug 23, 2022
17621057 HCK DEGRADERS AND USES THEREOF DANA-FARBER CANCER INSTITUTE, INC. LADD, CAROLYN LOUISE 1622 DP Final Rejection — Pending Dec 20, 2021
17265139 HISTONE DEMETHYLASE 5 INHIBITORS AND USES THEREOF DANA-FARBER CANCER INSTITUTE, INC. PECKHAM, RICHARD GRANT 1627 §102§112 Final Rejection 42d overdue Pending Feb 01, 2021

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Frequently Asked Questions

What is Arentfox Schiff, LLP & Dfci's patent allowance rate?

88.0% of resolved applications prosecuted by Arentfox Schiff, LLP & Dfci were allowed, across 33,400 applications in USPTO records.

How many office actions does Arentfox Schiff, LLP & Dfci average before allowance?

3.27 office actions per allowed application on average.

How many pending office actions does Arentfox Schiff, LLP & Dfci have?

8 pending office actions as of October 2026, for 3 clients, before 8 examiners in 5 art units.

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