Prosecution Insights
Last updated: October 25, 2026

Dann, Dorfman, Herrell & Skillman

Technology area: Biotechnology & Pharmaceuticals

33 pending office actions • 22 clients • 33 examiners • 27 art units • 0 of 33 (0%) have an AI response strategy ready • 36 patents granted in the last 365 days

Analysis

DANN, DORFMAN, HERRELL & SKILLMAN has 32 pending office actions in Biotechnology & Pharmaceuticals and 4413 career applications. The firm has a substantial historical application record and a significant number of matters currently requiring examination attention.

The resolved allowance rate is 76.28%, and the average is 3.46 office actions per allowance. The available outcomes show that a majority of resolved cases reach allowance, while successful cases commonly require multiple Office actions.

These figures make prosecution process an important consideration for clients. The application volume indicates broad experience, but the allowance rate and action average suggest that applicants should plan for substantive examination work and evaluate strategy at the individual application level.

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

Quality Metrics (n=4413 apps, methodology: how we score firms)

76.3%
Allowance Rate
n=4413
+0.54σ
Allowance Rate (norm)
n=4413
3.5
OAs to Allowance
n=2486
-0.03σ
OAs to Allow (norm)
n=2486
1155 days
Time to Allowance
n=2486
+15.5pp
Interview Lift
n=4413
20.7%
RCE Rate
n=4413
1.3%
Appeal Rate
n=4413

Rejection Performance (% of received rejections ultimately overcome)

84.4%
§101 Overcome
n=269
80.5%
§102 Overcome
n=944
81.6%
§103 Overcome
n=1456
84.3%
§112 Overcome
n=1318

Specialization & Scale

A61K, A61P, C12N
Top CPC Subclasses
21%
Top-3 CPC Share
n=4413
0
Practitioners
n=4413
—
Apps / Practitioner
n=4413 (min 20)

Portfolio Summary

33
Total Pending OAs
23
Non-Final OAs
10
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 14 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
0
Due this week
2
Due this month
1
Due in next 60 days
3
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. 14 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 30 days (2)Due ≤ 60 days (1)Due later (3)

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.

16
Hard (48%)
15
Medium (45%)
2
Easy (6%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (3%)
§103 only12 (36%)
§112 only2 (6%)
Double-patenting + other3 (9%)
Multi-statute (no §101)15 (45%)

Industry Mix

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

26
Life Sciences
79% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
2
Semiconductors
6% of docket
4
Mechanical / Eng
12% of docket
1
Business / Other
3% 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.

330 h
Manual time on pending OAs
66 h
Time saved (low, 20%)
115 h
Time saved (mid, 35%)
2.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NEGRON, ISMAEL 1 73.6% +15.1%
DAVIS, BRIAN J 1 84.8% -3.9%
SHELTON, SYNPHANE LA'SHAWN 1 100.0% +0.0%
FIORELLO, BENJAMIN F 1 73.9% +7.5%
GEMBEH, SHIRLEY V 1 63.1% +33.8%
PATEL, DEVANG R 1 65.6% +39.0%
WECKER, JENNIFER 1 70.9% +36.6%
PACKARD, BENJAMIN J 1 66.9% +15.3%
PONCIANO, PATRICK BERNAS 1 56.3% +9.4%
ALLEY, GENEVIEVE S 1 60.5% +48.3%

Hard Cases (16)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17783365 HIGH-THROUGHPUT DETECTION METHOD FOR RARE MUTATION OF GENE TURPIN, ZACHARY MARK 49d overdue
18033627 COMPOSITIONS AND METHODS FOR IN VIVO GENE TRANSFER SHIN, DANA H 37d overdue
18600263 NANOFIBER AND MICROFIBER HYBRID AEROGELS ALLEY, GENEVIEVE S 17d overdue
17786147 COMPOSITIONS AND METHODS FOR HEMOGLOBIN PRODUCTION PERSONS, JENNA L 16d overdue
18856824 Tunnel Lining Method and Apparatus FIORELLO, BENJAMIN F 57d
17461413 REAL-TIME RAIL WEAR AND DEFECT MONITORING SYSTEM EMPLOYING DISTANCE MEASURING DEVICES RICHTER, KARA 69d
19400821 HAND HOLDABLE LIGHT AND BATTERY HAVING SYMMETRICAL CONTACTS NEGRON, ISMAEL —
18987189 GROWTH FACTOR LOADED NANOFIBERS AND METHODS OF USE THEREOF DAVIS, BRIAN J —

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
18600263 NANOFIBER AND MICROFIBER HYBRID AEROGELS ALLEY, GENEVIEVE S 17d overdue
18699799 REFILLABLE TISSUE ENGINEERED SCAFFOLDS PACKARD, BENJAMIN J 10d overdue
19400821 HAND HOLDABLE LIGHT AND BATTERY HAVING SYMMETRICAL CONTACTS NEGRON, ISMAEL —
18846364 METFORMIN NANOFORMULATIONS AND METHODS OF USE THEREOF GEMBEH, SHIRLEY V —
18811972 Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life PATEL, DEVANG R —
18750367 COMPOSITIONS AND METHODS FOR THE DETECTION OF BRAIN INJURY WECKER, JENNIFER —

Client Portfolio (22 clients)

Top Art Units

Art UnitApps
16172
16112
16352
16582
16562
28751
16141
16521
36781
16151

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19400821 HAND HOLDABLE LIGHT AND BATTERY HAVING SYMMETRICAL CONTACTS Streamlight, Inc. NEGRON, ISMAEL 2875 §102§103§112 Non-Final OA — Pending Nov 25, 2025
18987189 GROWTH FACTOR LOADED NANOFIBERS AND METHODS OF USE THEREOF BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA DAVIS, BRIAN J 1614 §102§103§112 Non-Final OA — Pending Dec 19, 2024
18859447 THYMIDINE KINASE AS A MARKER FOR IMMUNE CHECKPOINT INHIBITOR EFFICACY Biovica International AB SHELTON, SYNPHANE LA'SHAWN 1652 §103§112 Non-Final OA — Pending Oct 23, 2024
18856824 Tunnel Lining Method and Apparatus Colin Eddie Consulting Limited FIORELLO, BENJAMIN F 3678 §102§103 Non-Final OA 57d Pending Oct 14, 2024
18846364 METFORMIN NANOFORMULATIONS AND METHODS OF USE THEREOF BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA GEMBEH, SHIRLEY V 1615 §102§103 Non-Final OA — Pending Sep 12, 2024
18811972 Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life Crs Holdings, LLC PATEL, DEVANG R 1735 §103§112 Non-Final OA — Pending Aug 22, 2024
18750367 COMPOSITIONS AND METHODS FOR THE DETECTION OF BRAIN INJURY Monell Chemical Senses Center WECKER, JENNIFER §102§103 Non-Final OA — Pending Jun 21, 2024
18699799 REFILLABLE TISSUE ENGINEERED SCAFFOLDS BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA PACKARD, BENJAMIN J 1612 §103 Non-Final OA 10d overdue Pending Apr 09, 2024
18696443 Improved Sliding Door Cavity Sliders Limited PONCIANO, PATRICK BERNAS 3634 §103 Non-Final OA — Pending Mar 28, 2024
18600263 NANOFIBER AND MICROFIBER HYBRID AEROGELS BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA ALLEY, GENEVIEVE S 1617 §102§103§112 Final Rejection 17d overdue Pending Mar 08, 2024
18681728 THERAPEUTIC COMPOSITIONS AND RELATED METHODS Cornell University SHIAO, YIH-HORNG 1691 §102§103§112 Non-Final OA — Pending Feb 06, 2024
18409324 DRIVER CIRCUIT AND METHOD FOR A SEMICONDUCTOR LASER Streamlight, Inc. CAMACHO ALANIS, FERNANDA ADRIANA 2828 §112 Non-Final OA — Pending Jan 10, 2024
18510115 METHODS AND COMPOSITIONS FOR PERTUSSIS DIAGNOSIS Dx Discovery Inc. ESSEX, LAURA ANN 1675 §112DP Non-Final OA — Pending Nov 15, 2023
18287762 CYCLOSPORINE COMPOSITIONS AND METHODS OF USE THEREOF Protransit Nanotherapy LLC HOERNER, PAUL ELLSWORTH 1611 §103 Final Rejection 87d overdue Pending Oct 20, 2023
18550828 LIPID NANOPARTICLE FORMULATIONS AND METHODS OF USE THEREOF BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA RYAN, DOUGLAS CHARLES 1635 §103Other Final Rejection — Pending Sep 15, 2023
18278865 Antimicrobial Peptides BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA JAUHARI, SACHI 1654 §103Other Non-Final OA — Pending Aug 25, 2023
18253121 Marine Vessel Fender and Control System C W F Hamilton & Co. Limited PANDE, ASHUTOSH 3668 §103§112 Final Rejection — Pending May 16, 2023
18033627 COMPOSITIONS AND METHODS FOR IN VIVO GENE TRANSFER The Children's Hospital of Philadelphia SHIN, DANA H 1635 §102§112 Final Rejection 37d overdue Pending Apr 25, 2023
18031727 NOVEL BIOACTIVE PEPTIDE COMBINATIONS AND USES THEREOF Colzyx AB KOMATSU, LI N 1658 §101§103§112Other Final Rejection — Pending Apr 13, 2023
18246572 COMPOSITIONS AND METHODS FOR THE TREATMENT OF HAIR LOSS AND OTHER CONDITIONS Protransit Nanotherapy LLC VARADARAJ, ARCHANA 1658 §103DP Final Rejection 4d overdue Pending Mar 24, 2023
18176546 Compositions and Methods for Modulating Factor IX Function The Children's Hospital of Philadelphia TSAY, MARSHA M 1656 §103 Non-Final OA 73d overdue Pending Mar 01, 2023
18021956 AMMONOLYSIS SOLUTION AND AMMONOLYSIS METHOD Genewiz Inc., Sz LEE, HOI YAN NMN 1693 §103 Non-Final OA 63d Pending Feb 17, 2023
17905407 CRISPR/CAS9 SYSTEM FOR MULTISTRAIN HIV-1 TREATMENT BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA VIVLEMORE, TRACY ANN 1638 §103 Non-Final OA 28d Pending Aug 31, 2022
17795604 COMPOSITIONS AND METHODS FOR COATING BONE GRAFTS UNIVERSITY OF ROCHESTER BOECKELMAN, JACOB A 1655 §103 Non-Final OA — Pending Jul 27, 2022
17786147 COMPOSITIONS AND METHODS FOR HEMOGLOBIN PRODUCTION The Trustees of the University of Pennsylvania PERSONS, JENNA L 1637 §103§112 Non-Final OA 16d overdue Pending Jun 16, 2022
17783365 HIGH-THROUGHPUT DETECTION METHOD FOR RARE MUTATION OF GENE Suzhou Smk Gene Tech Ltd. TURPIN, ZACHARY MARK 1682 §103§112 Non-Final OA 49d overdue Pending Jun 08, 2022
17777245 COMPOSITIONS AND METHODS FOR MODULATING FACTOR VIII FUNCTION The Children's Hospital of Philadelphia MCKNIGHT, CIARA A 1656 §103DP Non-Final OA — Pending May 16, 2022
17694841 Viral Vectors for Prophylaxis and Therapy of Hemoglobinopathies The Children's Hospital of Philadelphia MARVICH, MARIA 1634 §112 Non-Final OA — Pending Mar 15, 2022
17621927 COMPOSITIONS AND METHODS FOR ENHANCING PLANT GROWTH BOYCE THOMPSON INSTITUTE FOR PLANT RESEARCH, INC. PALLAY, MICHAEL B 1617 §102§103 Final Rejection — Pending Dec 22, 2021
17532123 COMPOSITIONS AND METHODS FOR HEMOGLOBIN PRODUCTION Cold Spring Harbor Laboratory IANNUZO, NATALIE NMN 1653 §103 Non-Final OA — Pending Nov 22, 2021
17461413 REAL-TIME RAIL WEAR AND DEFECT MONITORING SYSTEM EMPLOYING DISTANCE MEASURING DEVICES Avante International Technology, Inc. RICHTER, KARA 3645 §103§112 Non-Final OA 69d Pending Aug 30, 2021
17425130 WHOLE CELL TUMOR VACCINES AND METHODS OF USE THEROF Children'S National Medical Center MIDDLETON, DANAYA L 1674 §103 Final Rejection 28d Pending Jul 22, 2021
16972727 METHOD FOR PREPARING COMPOSITION COMPRISING KILLED OR INACTIVATED METHANOBREVIBACTER ARCHAEBACTERIA CELLS AND COMPOSITION THEREBY OBTAINED Duncan-Bruce Sutherland ALAM, AYAAN A 1611 §103 Final Rejection 70d Pending Dec 07, 2020

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Frequently Asked Questions

What is Dann, Dorfman, Herrell & Skillman's patent allowance rate?

76.3% of resolved applications prosecuted by Dann, Dorfman, Herrell & Skillman were allowed, across 4,413 applications in USPTO records.

How many office actions does Dann, Dorfman, Herrell & Skillman average before allowance?

3.46 office actions per allowed application on average.

How many pending office actions does Dann, Dorfman, Herrell & Skillman have?

33 pending office actions as of October 2026, for 22 clients, before 33 examiners in 27 art units.

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