Prosecution Insights
Last updated: October 25, 2026

Howson & Howson LLP

Technology area: Biotechnology & Pharmaceuticals

92 pending office actions • 36 clients • 82 examiners • 47 art units • 0 of 92 (0%) have an AI response strategy ready

Analysis

HOWSON & HOWSON LLP has 96 pending office actions in Biotechnology & Pharmaceuticals and 4036 career applications. Its resolved allowance rate is 78.17%, and the average is 3.6 office actions per allowance.

The profile shows a broad historical application base and a substantial current docket in biotechnology and pharmaceuticals. The resolved allowance rate provides an outcome measure, while the office-action average indicates the examination activity associated with allowances. For practitioners, the combination supports planning around both current workload and the response effort reflected in completed matters.

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

Quality Metrics (n=4036 apps, methodology: how we score firms)

78.2%
Allowance Rate
n=4036
+0.64σ
Allowance Rate (norm)
n=4036
3.6
OAs to Allowance
n=2113
-0.10σ
OAs to Allow (norm)
n=2113
1151 days
Time to Allowance
n=2113
+18.5pp
Interview Lift
n=4036
24.1%
RCE Rate
n=4036
3.2%
Appeal Rate
n=4036

Rejection Performance (% of received rejections ultimately overcome)

66.8%
§101 Overcome
n=214
72.0%
§102 Overcome
n=880
76.5%
§103 Overcome
n=1493
76.0%
§112 Overcome
n=1323

Specialization & Scale

A61K, C12N, A61P
Top CPC Subclasses
27%
Top-3 CPC Share
n=4036
8
Practitioners
n=4036
504.5
Apps / Practitioner
n=4036

Portfolio Summary

92
Total Pending OAs
62
Non-Final OAs
26
Final Rejections
4
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 21 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

12
Overdue
3
Due this week
3
Due this month
2
Due in next 60 days
1
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. 21 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (12)Due ≤ 7 days (3)Due ≤ 30 days (3)Due ≤ 60 days (2)Due later (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.

53
Hard (58%)
27
Medium (29%)
12
Easy (13%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other14 (15%)
§103 only11 (12%)
§102 only2 (2%)
§112 only10 (11%)
Double-patenting only2 (2%)
Double-patenting + other14 (15%)
Multi-statute (no §101)39 (42%)

Industry Mix

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

81
Life Sciences
88% of docket
1
Information Tech
1% of docket
0
Communications
0% of docket
3
Semiconductors
3% of docket
6
Mechanical / Eng
7% of docket
1
Business / Other
1% 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.

920 h
Manual time on pending OAs
184 h
Time saved (low, 20%)
322 h
Time saved (mid, 35%)
8.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VIVLEMORE, TRACY ANN 3 73.0% +6.4%
UNDERDAHL, THANE E 2 58.8% +50.2%
BARRON, SEAN C 2 52.7% +30.4%
SZNAIDMAN, MARCOS L 2 37.4% +16.1%
SULLIVAN, STEPHANIE LAUREN 2 57.1% +38.1%
KONOPKA, CATHERINE ANNE 2 57.5% +66.2%
MYERS, CARLA J 2 49.5% +46.0%
SPENCER, ANDREA LYNNE MORRIS 2 20.0% +37.5%
SILVA RAINBOW, HEATHER ELISE 2 31.4% +56.3%
REID, MICHAEL ROBERT 1 79.0% +19.2%

Hard Cases (54)

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
17995539 REAWAKENING OF DORMANT TUMOR CELLS BY MODIFIED LIPIDS DERIVED FROM STRESS ACTIVATED NEUTROPHILS KONOPKA, CATHERINE ANNE 182d overdue
17601542 The Treatment of Protein Aggregation Diseases JOHNSON, ALLISON MARIE 125d overdue
18863982 Hybrid Solar Panel and Photovoltaic and Thermal Roof CANNON, RYAN SMITH 120d overdue
18004404 METHOD OF PRODUCING A FERTILISER COMPOSITION SILVA RAINBOW, HEATHER ELISE 50d overdue
18257504 CHEMICALLY MODIFIED CRISPR-CAS13 GUIDE RNAS KONOPKA, CATHERINE ANNE 38d overdue
17356146 IN VIVO DETECTION OF EGFR MUTATION IN GLIOBLASTOMA VIA MRI SIGNATURE CONSISTENT WITH DEEP PERITUMORAL INFILTRATION SCHULTZHAUS, JANNA NICOLE 36d overdue
17999987 COMPOSITIONS AND METHODS FOR NEGATIVE SELECTION OF NAIVE T AND B CELLS WITH A SINGLE ANTIBODY CANDELARIA, JULIANA IRENE 5d overdue
18560153 COMPOSITIONS AND METHODS FOR DEBULKING VIRUS OR MICROORGANISM LOAD IN THE ORAL CAVITY MOAZZAMI, NAGHMEH NINA 4d overdue

Interview Candidates (17)

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
17995539 REAWAKENING OF DORMANT TUMOR CELLS BY MODIFIED LIPIDS DERIVED FROM STRESS ACTIVATED NEUTROPHILS KONOPKA, CATHERINE ANNE 182d overdue
18004404 METHOD OF PRODUCING A FERTILISER COMPOSITION SILVA RAINBOW, HEATHER ELISE 50d overdue
18257504 CHEMICALLY MODIFIED CRISPR-CAS13 GUIDE RNAS KONOPKA, CATHERINE ANNE 38d overdue
17997110 COMPOSITIONS AND METHODS FOR REDUCING NUCLEASE EXPRESSION AND OFF-TARGET ACTIVITY USING A PROMOTER WITH LOW TRANSCRIPTIONAL ACTIVITY SPENCER, ANDREA LYNNE MORRIS 6d
19133922 VALVE REID, MICHAEL ROBERT —
18874238 COMBINED USE OF A PROBIOTIC AND BUTYRIC ACID TO INCREASE THE ENTEROCYTE'S HEALTH AND CONSEQUENTLY THE WELLNESS OF PETS AND LIVESTOCK UNDERDAHL, THANE E —
18865311 PROBIOTIC FOR USE IN THE TREATMENT OF INFLAMMATORY ALTERATIONS OF THE INTESTINAL MUCOSA, PARTICULARLY OBESITY UNDERDAHL, THANE E —
18712323 COMPOSITIONS AND METHODS FOR TREATMENT OF FABRY DISEASE BARRON, SEAN C —

Client Portfolio (36 clients)

Top Art Units

Art UnitApps
16318
16386
16356
16374
16824
16993
16213
16343
16723
16363

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19133922 VALVE Fujikiin Incorporated REID, MICHAEL ROBERT 3753 §102§103 Non-Final OA — Pending May 29, 2025
19109484 ADJUSTABLE HEADREST Mfi Italy Engineering S.r.l. ABRAHAM, TANIA 3636 §102 Non-Final OA — Pending Mar 06, 2025
18575738 SOLUTION FOR DESTROYING BIOFILMS AND METHOD OF PRODUCING THEREOF Misera Co., Ltd. HELM, CARALYNNE E 1615 §102§112 Non-Final OA — Pending Jan 24, 2025
18994948 RECOMBINANT AAV HAVING AAV CLADE D AND CLADE E CAPSIDS AND COMPOSITIONS CONTAINING SAME The Trustees of the University of Pennsylvania LEONARD, ARTHUR S 1631 §101§103§112 Non-Final OA — Pending Jan 15, 2025
18992645 COMPOSITIONS AND USES THEREOF Optibiotix Limited PAK, JOHN D 1699 §102§103§112 Non-Final OA — Pending Jan 09, 2025
18874238 COMBINED USE OF A PROBIOTIC AND BUTYRIC ACID TO INCREASE THE ENTEROCYTE'S HEALTH AND CONSEQUENTLY THE WELLNESS OF PETS AND LIVESTOCK Cerbios-Pharma SA UNDERDAHL, THANE E 1699 §102§103DP Non-Final OA — Pending Dec 12, 2024
18869792 ENERGY OPTIMIZATION OF A HEAT TRANSPORT SYSTEM Grundfos Holding A/S LIN, JASON 2117 §101§103§112 Non-Final OA — Pending Nov 26, 2024
18865311 PROBIOTIC FOR USE IN THE TREATMENT OF INFLAMMATORY ALTERATIONS OF THE INTESTINAL MUCOSA, PARTICULARLY OBESITY Cerbios-Pharma SA UNDERDAHL, THANE E 1699 §102§103§112DP Non-Final OA — Pending Nov 12, 2024
18863982 Hybrid Solar Panel and Photovoltaic and Thermal Roof Sic Divisione Elettronica S.R.L.U. CANNON, RYAN SMITH 1726 §102§103§112 Non-Final OA 120d overdue Pending Nov 07, 2024
18925333 PIPELINE INSPECTION SYSTEM Catholic Kwandong University Industry Foundation SINGER, DAVID L 2855 §102§103 Non-Final OA — Pending Oct 24, 2024
18854774 JOINT LEAKAGE DETECTION SYSTEM Integrity Engineering Solutions Pty Ltd. PLUMB, NIGEL H 2855 §102§103§112 Non-Final OA — Pending Oct 07, 2024
18853162 BIODEGRADABLE LIPIDOIDS AND COMPOSITIONS AND METHODS OF USE THEREOF FOR LIVER TARGETED DELIVERY The Trustees of the University of Pennsylvania TCHERKASSKAYA, OLGA V 1615 §103§112DP Non-Final OA — Pending Oct 01, 2024
18890892 GEOMETRICALLY TUNABLE HYDROGEL-BASED CHEMICALLY-ELUTING SHUNT PROSTHESIS Drexel University PELLEGRINO, BRIAN E §103§112 Non-Final OA — Pending Sep 20, 2024
18820706 FASORACETAM CRYSTALLINE FORMS The Children's Hospital of Philadelphia AULAKH, CHARANJIT 1621 §102§103§112DP Non-Final OA — Pending Aug 30, 2024
18809628 TUNGSTEN SINTERED SPUTTERING TARGET JX Advanced Metals Corporation LUK, VANESSA TIBAY 1733 §103§112 Non-Final OA — Pending Aug 20, 2024
18799659 MODULATORS OF MYOCYTE LIPID ACCUMULATION AND INSULIN RESISTANCE AND METHODS OF USE THEREOF The Trustees of the University of Pennsylvania VAJDA, KRISTIN ANN 1622 §102§112DP Non-Final OA — Pending Aug 09, 2024
18833257 PHAGE MEDIATED IMMUNO-PCR FOR THE DIAGNOSIS OF ALZHEIMER'S DISEASE Universita’ Degli Studi Di Messina KAPUSHOC, STEPHEN THOMAS 1683 §101§102§112 Non-Final OA — Pending Jul 25, 2024
18779936 METHOD AND DEVICE FOR WASHING/CLEANING GRANULAR MATERIAL FROM SLAG AND WASHING/CLEANING BOTTOM/BOILER ASH FROM A THERMAL WASTE TREATMENT, AND MINERAL RESIDUE AND RECYCLING MATERIAL H-U-R Hamburg GmbH Hamburger-Umwelt-Recyclingtechnologien AYALEW, TINSAE B 1711 §103 Final Rejection 23d Pending Jul 22, 2024
18770804 SAFETY QUICK-REFILL COMPACT PUMP FOR ADMINISTERING DRUGS Cane' S.p.A. BOUCHELLE, LAURA A 3783 §103§112Other Non-Final OA — Pending Jul 12, 2024
18727953 COMPOSITIONS USEFUL IN TREATMENT OF METACHROMATIC LEUKODYSTROPHY The Trustees of the University of Pennsylvania WILSON, MICHAEL C 1638 §102§112Other Non-Final OA — Pending Jul 10, 2024
18737396 SEQUENTIAL APPLICATION OF MACROPHAGES FOR WOUND HEALING Drexel University NICOL, ALEXANDER W 1634 §103 Non-Final OA — Pending Jun 07, 2024
18717294 COMPOSITIONS AND METHODS FOR PREVENTION OR REDUCTION OF CARPA The Trustees of the University of Pennsylvania VOLKOV, ALEXANDER ALEXANDROVIC 1612 §102§103§112 Non-Final OA — Pending Jun 06, 2024
18713342 FLAVANOID CONTAINING COMPOSITIONS AND METHODS OF USE THEREOF FOR THE TREATMENT OF MITOCHONDRIAL DISORDERS The Children's Hospital of Philadelphia OLSON, ANDREA STEFFEL 1693 §101§102§103§112DP Non-Final OA — Pending May 24, 2024
18712323 COMPOSITIONS AND METHODS FOR TREATMENT OF FABRY DISEASE The Trustees of the University of Pennsylvania BARRON, SEAN C 1653 §103 Non-Final OA — Pending May 22, 2024
18709415 GENE THERAPY FOR TREATMENT OF MUCOPOLYSACCHARIDOSIS IIIA The Trustees of the University of Pennsylvania ALLEN, SARAH ELIZABETH 1637 §102§103§112Other Non-Final OA — Pending May 10, 2024
18702258 COMPOSITIONS USEFUL IN TREATMENT OF CDKL5 DEFICIENCY DISORDER (CDD) The Trustees of the University of Pennsylvania SINGH, ANOOP KUMAR 1632 §112DP Non-Final OA — Pending Apr 17, 2024
18700437 METHODS FOR INCREASING FAT ABSORPTION Structured Lipid Nutrition, LLC SZNAIDMAN, MARCOS L 1628 §102§103 Non-Final OA — Pending Apr 11, 2024
18698524 COMPOSITIONS AND METHODS OF AMELIORATING AVERSIVENESS OF AVERSIVE STIMULI BY INHIBITION OF PURINERGIC RECEPTORS Paul Breslin CHICKS, ASHLI ARIANA 1626 §103§112 Non-Final OA — Pending Apr 04, 2024
18687571 METHODS FOR EVALUATING TREATMENTS FOR BESTROPHINOPATHIES The Trustees of the University of Pennsylvania BARRON, SEAN C 1653 §101§103 Non-Final OA — Pending Feb 28, 2024
18579426 METHOD FOR THE EXTRACTION OF POLICOSANOLS FROM INDUSTRIAL HEMP AND MIXTURE THEREOF Sapienza Universita Di Roma PAGANO, ALEXANDER R 1692 §101§102 Non-Final OA — Pending Jan 15, 2024
18578997 MODIFIED ADAPTERS FOR ENZYMATIC DNA DEAMINATION AND METHODS OF USE THEREOF FOR EPIGENETIC SEQUENCING OF FREE AND IMMOBILIZED DNA The Trustees of the University of Pennsylvania CASH, KAILEY ELIZABETH 1682 §103§112DP Non-Final OA — Pending Jan 12, 2024
18570181 AUTOMATED SYSTEM FOR CARRYING OUT CAPPING TESTS Arol S.p.A. PARCO JR, RUBEN C 2853 §112 Final Rejection 56d Pending Dec 14, 2023
18534114 COMBINATION THERAPIES TARGETING MITOCHONDRIAL BIOGENESIS FOR CANCER THERAPY The Wistar Institute SZNAIDMAN, MARCOS L 1628 §102§112 Non-Final OA — Pending Dec 08, 2023
18567168 VESSEL PROVIDED WITH AN IMPROVED AIR CIRCULATION SYSTEM 3J Marine S.r.l. BURGESS, MARC R 3615 §102§103§112 Non-Final OA 22d Pending Dec 05, 2023
18519972 METHODS AND COMPOSITIONS FOR TREATING METASTATIC BREAST CANCER AND OTHER CANCERS IN THE BRAIN The Trustees of the University of Pennsylvania ARON, KIMBERLY A 1633 DP Non-Final OA — Pending Nov 27, 2023
18562293 SPUTTERING TARGET AND METHOD FOR MANUFACTURING SAME JX Metals Corporation OTT, PATRICK S 1794 §103 Final Rejection — Pending Nov 18, 2023
18560153 COMPOSITIONS AND METHODS FOR DEBULKING VIRUS OR MICROORGANISM LOAD IN THE ORAL CAVITY The Trustees of the University of Pennsylvania MOAZZAMI, NAGHMEH NINA 1652 §103§112Other Final Rejection 4d overdue Pending Nov 10, 2023
18504261 GENE THERAPY FOR OCULAR DISORDERS The Trustees of the University of Pennsylvania ZHU, JIANJIAN 1631 §103 Non-Final OA — Pending Nov 08, 2023
18497386 METHODS OF DIAGNOSING AND TREATING CONDUCT DISORDER The Children's Hospital of Philadelphia KOSAR, ANDREW D 1625 §103§112 Non-Final OA — Pending Oct 30, 2023
18557834 COMPOSITIONS AND METHODS OF TREATING SEPSIS IN PATIENTS USING ANTI-LIGHT ANTIBODIES The Trustees of the University of Pennsylvania SCHWECHTER, BRANDON ROSS 1798 §102§112 Non-Final OA — Pending Oct 27, 2023
18556944 COMPOSITIONS AND METHODS FOR IN VIVO NUCLEASE-MEDIATED GENE TARGETING FOR THE TREATMENT OF GENETIC DISORDERS The Trustees of the University of Pennsylvania SULLIVAN, STEPHANIE LAUREN 1635 §103§112DP Non-Final OA — Pending Oct 24, 2023
18556668 COMPOSITIONS AND METHODS FOR PREVENTING RSV AND PIV3 INFECTIONS UNIVERSITY OF SASKATCHEWAN CHEN, STACY BROWN 1672 §112 Non-Final OA — Pending Oct 21, 2023
18287150 COMPOSITIONS AND METHODS USEFUL FOR THE TREATMENT OF H-ABC LEUKODYSTROPHY The Children's Hospital of Philadelphia HUDSON, AMY ROSE 1636 §102§103§112 Non-Final OA — Pending Oct 16, 2023
18555189 ANTI-FIBROBLAST ACTIVATION PROTEIN ANTIBODIES Philogen S.P.A BERHANE, SELAM 1675 §112 Non-Final OA — Pending Oct 12, 2023
18554748 COMPOSITIONS USEFUL FOR TREATING SPINAL AND BULBAR MUSCULAR ATROPHY (SBMA) The Trustees of the University of Pennsylvania SCHULTZ, JAMES 1631 §103§112Other Non-Final OA — Pending Oct 10, 2023
18550070 COMPOSITIONS AND METHODS USEFUL FOR THE TREATMENT OF BONE MARROW FAILURE DISEASES ASSOCIATED WITH RIBOSOMOPATHIES The Children's Hospital of Philadelphia PERSONS, JENNA L 1637 §101§102§103§112 Non-Final OA — Pending Sep 11, 2023
18546321 Composition and Use Thereof Axisbiotix Limited DEVI, SARVAMANGALA 1645 §112 Final Rejection — Pending Aug 14, 2023
18264885 COMPOSITIONS AND METHODS FOR TREATING PULMONARY ARTERIAL HYPERTENSION (PAH) AND OTHER DISORDERS The Trustees of the University of Pennsylvania LIPPOLIS, ALEXANDRA ROSE 1637 §102§103§112 Non-Final OA — Pending Aug 09, 2023
17906173 TARGETED DELIVERY OF EXTRACELLULAR VESICLES Evox Therapeutics Ltd. HAMA, JOANNE 1647 §103§112 Final Rejection 71d Pending Jul 27, 2023
18263085 COMPOSITIONS AND METHODS FOR TREATMENT OF NIEMANN PICK TYPE A DISEASE The Trustees of the University of Pennsylvania TATGE, LEXUS MARC 1637 §102§103§112 Non-Final OA — Pending Jul 26, 2023

View all 92 →

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Frequently Asked Questions

What is Howson & Howson LLP's patent allowance rate?

78.2% of resolved applications prosecuted by Howson & Howson LLP were allowed, across 4,036 applications in USPTO records.

How many office actions does Howson & Howson LLP average before allowance?

3.60 office actions per allowed application on average.

How many pending office actions does Howson & Howson LLP have?

92 pending office actions as of October 2026, for 36 clients, before 82 examiners in 47 art units.

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