Prosecution Insights
Last updated: October 02, 2026

Cambridge Enterprise Limited

Technology area: Biotechnology & Pharmaceuticals

38 pending office actions • 26 art units • 37 examiners • 0 of 38 (0%) have an AI response strategy ready • 21 patents granted in the last 365 days

Analysis

Cambridge Enterprise Limited currently manages 38 pending office actions within the Biotechnology & Pharmaceuticals technology area. This volume of active prosecution is distributed across 37 distinct examiners, suggesting a highly fragmented examination landscape where almost every case is handled by a different official. The involvement of 26 distinct art units further indicates a broad technical scope for the portfolio, requiring diverse legal strategies to address various examining groups across the patent office.

Among the active examiners, MONTGOMERY, ANN Y is the busiest, though she only handles 2 of the pending office actions. This low concentration of work with a single examiner reinforces the observation that the portfolio is widely dispersed. Practitioners should prepare for varied examiner behaviors and diverse procedural requirements given that 37 distinct examiners are currently reviewing the company's applications. The high number of 26 distinct art units suggests that the company's innovations span multiple specialized fields within biotechnology, necessitating a sophisticated approach to managing different technical standards and examination cultures.

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

Portfolio Summary

38
Total Pending OAs
22
Non-Final OAs
15
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 11 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

5
Overdue
1
Due this week
1
Due this month
3
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. 11 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (5)Due ≤ 7 days (1)Due ≤ 30 days (1)Due ≤ 60 days (3)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.

22
Hard (58%)
14
Medium (37%)
1
Easy (3%)
1
Unknown (3%)

Rejection Statute Mix

BucketCases
§101 + other8 (21%)
§103 only12 (32%)
§102 only1 (3%)
§112 only1 (3%)
Double-patenting + other1 (3%)
Multi-statute (no §101)14 (37%)
No statute on record1 (3%)

Industry Mix

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

22
Life Sciences
58% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
5
Semiconductors
13% of docket
4
Mechanical / Eng
11% of docket
7
Business / Other
18% 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.

380 h
Manual time on pending OAs
76 h
Time saved (low, 20%)
133 h
Time saved (mid, 35%)
3.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MONTGOMERY, ANN Y 2 69.0% +27.7%
COOK, JONATHON 1 81.6% +17.0%
FLORA, NURUN N 1 86.1% +1.7%
WILLIAMS, KEITH RICHARD 1 50.0% +0.0%
STEPHENS, MATTHEW 1 65.5% +22.6%
WOOLWINE, SAMUEL C 1 61.0% +20.4%
MCGUIRK, JOHN SCHUYLER 1 78.0% +48.4%
GILL, RACHEL B 1 65.6% +28.3%
CHESTNUT, BARRY A 1 73.5% +6.4%
DAUNER, JOSEPH G 1 56.9% +35.2%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
19055839 OPTICAL MICROSCOPY COOK, JONATHON 36d
18993158 3D SCENE CAPTURE SYSTEM FLORA, NURUN N —

Hard Cases (22)

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
17764145 MULTIDIMENSIONAL MICROFLUIDIC PROTEIN CHARACTERISATION VANNI, GEORGE STEVEN 126d overdue
18033225 GHOST IMAGE FREE PROJECTION AT ARBITRARY DISTANCE JORDAN, DANIEL JEFFERY 11d overdue
18485192 METHODS AND DEVICES FOR GENERATING EMBRYOS IN VITRO FROM EMBRYONIC STEM CELLS JACKSON III, WALTER 4d overdue
18460022 METHODS AND COMPOSITIONS FOR GENERATING EMBRYOS IN VITRO FROM PLURIPOTENT STEM CELLS VIJAYARAGHAVAN, JAGAMYA NMN 12d
18001655 THERAPEUTIC TREATMENT USING PROTEIN KINASE C (PKC) INHIBITORS AND CYTOTOXIC AGENTS BRANDSEN, BENJAMIN MICHAEL 34d
18868448 GLUCAN BINDING PROTEIN FOR IMPROVING NITROGEN FIXATION IN PLANTS WILLIAMS, KEITH RICHARD —
18787165 WORKING OF SHEET METAL STEPHENS, MATTHEW —
18714695 ASSAY WOOLWINE, SAMUEL C —

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
19055839 OPTICAL MICROSCOPY COOK, JONATHON 36d
18787165 WORKING OF SHEET METAL STEPHENS, MATTHEW —
18714695 ASSAY WOOLWINE, SAMUEL C —
18706270 METHOD OF DETECTING PROTEIN AGGREGATES MCGUIRK, JOHN SCHUYLER —
18699034 CORONAVIRUS VACCINES GILL, RACHEL B —
18696136 NUCLEIC ACID CHARACTERISATION DAUNER, JOSEPH G —
18277000 IMPROVEMENTS IN OR RELATING TO A METHOD OF ANALYSING A COMPONENT IN A SAMPLE MONTGOMERY, ANN Y —
17923594 CARRIER SYSTEM AND METHOD MONTGOMERY, ANN Y —

Top Art Units

Art UnitApps
2877 2
1671 2
1678 2
1612 2
1693 2
1663 1
3725 1
1629 1
2875 1
1638 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19055839 OPTICAL MICROSCOPY COOK, JONATHON 2877 §103 Non-Final OA 36d Pending Feb 18, 2025
18993158 3D SCENE CAPTURE SYSTEM FLORA, NURUN N — §102 Non-Final OA — Pending Jan 10, 2025
18868448 GLUCAN BINDING PROTEIN FOR IMPROVING NITROGEN FIXATION IN PLANTS WILLIAMS, KEITH RICHARD 1663 §101§112 Non-Final OA — Pending Nov 22, 2024
18787165 WORKING OF SHEET METAL STEPHENS, MATTHEW 3725 §102§103§112Other Final Rejection — Pending Jul 29, 2024
18714695 ASSAY WOOLWINE, SAMUEL C — §101§103§112 Non-Final OA — Pending May 30, 2024
18706270 METHOD OF DETECTING PROTEIN AGGREGATES MCGUIRK, JOHN SCHUYLER — §101§103§112 Non-Final OA — Pending Apr 30, 2024
18699034 CORONAVIRUS VACCINES GILL, RACHEL B 1671 §101§102§103§112 Non-Final OA — Pending Apr 05, 2024
18699032 INFLUENZA VACCINES CHESTNUT, BARRY A — Other Non-Final OA — Pending Apr 05, 2024
18696136 NUCLEIC ACID CHARACTERISATION DAUNER, JOSEPH G — §102§103§112 Non-Final OA — Pending Mar 27, 2024
18690688 Lithium Sulfur Cell D'ANIELLO, NICHOLAS P — §102§112 Non-Final OA — Pending Mar 08, 2024
18685450 TRANSMEMBRANE DEVICE NGUYEN, HENRY H — §102§103§112 Non-Final OA — Pending Feb 21, 2024
18568243 Treatment or Prevention of Ischaemia Reperfusion Injury NEAGU, IRINA 1629 §103DP Final Rejection — Pending Dec 07, 2023
18287686 Method and System for Robot Navigation in Unknown Environments LEVEL, BARBARA HENRY 2875 §101§112Other Non-Final OA — Pending Oct 20, 2023
18485192 METHODS AND DEVICES FOR GENERATING EMBRYOS IN VITRO FROM EMBRYONIC STEM CELLS JACKSON III, WALTER 1638 §101§103 Final Rejection 4d overdue Pending Oct 11, 2023
18460022 METHODS AND COMPOSITIONS FOR GENERATING EMBRYOS IN VITRO FROM PLURIPOTENT STEM CELLS VIJAYARAGHAVAN, JAGAMYA NMN 1633 §101§103§112Other Non-Final OA 12d Pending Sep 01, 2023
18546746 Transplantation of Liver Cells by Administration to the Biliary Tree of the Liver RIGA, MICHAEL ANGELO 1634 §103 Final Rejection — Pending Aug 16, 2023
18546761 Methods of Expanding Cholangiocytes STAVROU, CONSTANTINA E 1632 §102§103 Non-Final OA — Pending Aug 16, 2023
18277000 IMPROVEMENTS IN OR RELATING TO A METHOD OF ANALYSING A COMPONENT IN A SAMPLE MONTGOMERY, ANN Y 1678 §103 Non-Final OA — Pending Aug 11, 2023
18276848 RNA Trans-Splicing Molecule TRAN, CHRISTINA L 1637 §103§112 Non-Final OA — Pending Aug 10, 2023
18266143 MOF NANOPARTICLES ATKINSON, JOSHUA ALEXANDER 1612 §103 Final Rejection — Pending Jun 08, 2023
18320150 PROTEINS FOR REGULATION OF SYMBIOTIC NODULE ORGAN IDENTITY DELEO, VICTORIA LYNN 1662 §102§103§112 Non-Final OA — Pending May 18, 2023
18033225 GHOST IMAGE FREE PROJECTION AT ARBITRARY DISTANCE JORDAN, DANIEL JEFFERY 2872 §102§103 Final Rejection 11d overdue Pending Apr 21, 2023
18014701 INTERFEROMETRIC SCATTERING CORRELATION (ISCORR) MICROSCOPY AMARA, MOHAMED K 2877 §103 Non-Final OA 71d overdue Pending Jan 05, 2023
18001655 THERAPEUTIC TREATMENT USING PROTEIN KINASE C (PKC) INHIBITORS AND CYTOTOXIC AGENTS BRANDSEN, BENJAMIN MICHAEL 1693 §102§103 Non-Final OA 34d Pending Dec 13, 2022
17999478 METHOD AND APPARATUS FOR MEASURING PHASE TRANSITION CHARACTERISTICS OF MACROMOLECULES GZYBOWSKI, MICHAEL STANLEY 1798 §103 Non-Final OA 7d Pending Nov 21, 2022
17926915 MODE LOCALISED ACCELEROMETER PARCO JR, RUBEN C 2853 §103 Final Rejection 65d Pending Nov 21, 2022
17923594 CARRIER SYSTEM AND METHOD MONTGOMERY, ANN Y 1678 §112 Non-Final OA — Pending Nov 06, 2022
17917165 METHOD OF ADDITIVE LAYER MANUFACTURING SPENCER, MAXIMILIAN TOBIAS 3774 §102§103§112 Final Rejection — Pending Oct 05, 2022
17916323 INFLUENZA VACCINES BLUMEL, BENJAMIN P 1671 §103§112 Final Rejection — Pending Sep 30, 2022
17799320 USE OF COMPOUNDS THAT ARE ABLE TO CROSS-LINK THE EXTRACELLULAR MATRIX FOR PREVENTING OR INHIBITING THE MIGRATION OF CANCER CELLS CHO, DAVID H 1693 §103Other Final Rejection — Pending Aug 12, 2022
17772526 AN EXTRACELLULAR VESICLE D' AMBROSIO, THEA 1654 §102§103§112 Final Rejection — Pending Apr 28, 2022
17764145 MULTIDIMENSIONAL MICROFLUIDIC PROTEIN CHARACTERISATION VANNI, GEORGE STEVEN 1686 §101§102§103§112 Non-Final OA 126d overdue Pending Mar 25, 2022
17633889 LIQUID DRESSING COMPOSITIONS AND THEIR USES COHEN, MICHAEL P 1612 §103 Non-Final OA 100d overdue Pending Feb 08, 2022
17633868 LIQUID DRESSING COMPOSITIONS AND THEIR VETERINARY USES SONG, JIANFENG 1613 §103§112Other Non-Final OA — Pending Feb 08, 2022
17626058 MEDICAL DEVICE LEE, DAVINA EN-YIN 3794 §103§112 Final Rejection — Pending Jan 10, 2022
17430969 MYC, CYCLIN T1 AND/OR CDK9 FOR USE IN THE TREATMENT OF DEGENERATIVE HEART AND CNS DISORDERS JONES-FOSTER, ERICA NICOLE 1656 §103 Final Rejection — Pending Aug 13, 2021
17398221 INTEGRATED CLOSED-LOOP MEDICATION DELIVERY WITH ERROR MODEL AND SAFETY CHECK VU, QUYNH-NHU HOANG 3783 §103 Final Rejection — Pending Aug 10, 2021
17424875 RECYCLING OF LEAD-CONTAINING WASTE KUMAR, SRILAKSHMI K 1738 §103 Final Rejection 48d Pending Jul 21, 2021

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