Prosecution Insights
Last updated: October 27, 2026

Oxford University Innovation Limited

Technology area: Biotechnology & Pharmaceuticals

43 pending office actions • 38 art units • 41 examiners • 0 of 43 (0%) have an AI response strategy ready • 40 patents granted in the last 365 days

Analysis

Oxford University Innovation Limited has 44 pending office actions in Biotechnology & Pharmaceuticals. The matters involve 42 distinct examiners across 38 art units, which indicates a highly distributed prosecution portfolio spanning many examination assignments.

VASISTH, VISHAL V is the busiest examiner, with 2 pending matters. That concentration remains limited relative to the total portfolio, so examiner-specific tracking is important but cannot replace application-level docketing and substantive review.

The breadth of examiner and art-unit coverage creates a practical need for consistent claim terminology, disclosure support, and prior-art analysis across matters. Counsel can use portfolio review to identify recurring issues, but responses should remain tailored to the biotechnology or pharmaceutical subject matter in each action.

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

Portfolio Summary

43
Total Pending OAs
24
Non-Final OAs
18
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 12 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
0
Due this week
4
Due this month
0
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. 12 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 30 days (4)

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.

20
Hard (47%)
18
Medium (42%)
5
Easy (12%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other8 (19%)
§103 only11 (26%)
§102 only3 (7%)
§112 only3 (7%)
Double-patenting only2 (5%)
Double-patenting + other4 (9%)
Multi-statute (no §101)12 (28%)

Industry Mix

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

31
Life Sciences
72% of docket
0
Information Tech
0% of docket
4
Communications
9% of docket
4
Semiconductors
9% of docket
4
Mechanical / Eng
9% 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.

430 h
Manual time on pending OAs
86 h
Time saved (low, 20%)
150 h
Time saved (mid, 35%)
3.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VASISTH, VISHAL V 2 72.5% +33.4%
BATES, KEENAN ALEXANDER 2 44.9% +79.8%
BALL, JOHN C 1 78.8% +16.1%
RONEY, CELESTE A 1 63.0% +17.4%
CHOUDHURY, MUSTAK 1 84.9% +21.3%
KRETZER, CASEY L 1 86.8% +12.8%
MERCIER, MELISSA S 1 72.1% +5.8%
ISMAIL, OMAR S 1 91.3% +9.9%
NEFF, MICHAEL R 1 87.6% +14.5%
KASS, BENJAMIN JOSEPH 1 31.1% +64.4%

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
18971420 INTERFEROMETRIC SCATTERING MICROSCOPY CHOUDHURY, MUSTAK —
18895587 RADIOMIC SIGNATURE OF AN EPICARDIAL REGION ISMAIL, OMAR S —

Hard Cases (20)

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
17624764 METHODS FOR DIAGNOSING MULTIPLE SCLEROSIS SPANGLER, JOSEPH RANKIN 341d overdue
18564140 SYSTEM AND METHOD FOR STIMULATING A NERVE, AUTOMATED RESUSCITATION SYSTEM HOUGH, JESSANDRA F 42d overdue
18279624 BIOMARKER COUNTS, GARY W 19d overdue
17781738 INTRAORAL DEVICE SHOSTAK, ANDREY 10d overdue
18272110 CAVITATION AGENT CABRAL, ROBERT S 20d
18727730 DECOMPOSITION OF POLYOLEFINS VASISTH, VISHAL V 30d
18996093 LOADED EXTRACELLULAR VESICLE RONEY, CELESTE A —
18867817 FREE SPACE OPTICAL COMMUNICATIONS SYSTEM AND METHOD KRETZER, CASEY L —

Interview Candidates (10)

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
18727730 DECOMPOSITION OF POLYOLEFINS VASISTH, VISHAL V 30d
19038507 MOLECULAR HOPPER BALL, JOHN C —
18996093 LOADED EXTRACELLULAR VESICLE RONEY, CELESTE A —
18971420 INTERFEROMETRIC SCATTERING MICROSCOPY CHOUDHURY, MUSTAK —
18867817 FREE SPACE OPTICAL COMMUNICATIONS SYSTEM AND METHOD KRETZER, CASEY L —
18781133 RADIOMIC SIGNATURE OF A PERIVASCULAR REGION NEFF, MICHAEL R —
18773960 Droplet Assembly Method KASS, BENJAMIN JOSEPH —
18727146 DECOMPOSITION OF POLYOLEFINS VASISTH, VISHAL V —

Top Art Units

Art UnitApps
1631 4
1771 2
3796 2
1795 1
1612 1
2872 1
2634 1
1615 1
2635 1
2631 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19038507 MOLECULAR HOPPER BALL, JOHN C 1795 DP Non-Final OA — Pending Jan 27, 2025
18996093 LOADED EXTRACELLULAR VESICLE RONEY, CELESTE A 1612 §103§112 Non-Final OA — Pending Jan 17, 2025
18971420 INTERFEROMETRIC SCATTERING MICROSCOPY CHOUDHURY, MUSTAK 2872 §103Other Non-Final OA — Pending Dec 06, 2024
18867817 FREE SPACE OPTICAL COMMUNICATIONS SYSTEM AND METHOD KRETZER, CASEY L 2634 §102§103§112 Non-Final OA — Pending Nov 21, 2024
18851749 ENCAPSULATION METHOD AND PARTICLE MERCIER, MELISSA S 1615 §102 Non-Final OA — Pending Sep 27, 2024
18895587 RADIOMIC SIGNATURE OF AN EPICARDIAL REGION ISMAIL, OMAR S 2635 §103 Non-Final OA — Pending Sep 25, 2024
18781133 RADIOMIC SIGNATURE OF A PERIVASCULAR REGION NEFF, MICHAEL R 2631 §103§112 Final Rejection — Pending Jul 23, 2024
18773960 Droplet Assembly Method KASS, BENJAMIN JOSEPH 1798 §103§112 Non-Final OA — Pending Jul 16, 2024
18727730 DECOMPOSITION OF POLYOLEFINS VASISTH, VISHAL V 1771 §103§112Other Final Rejection 30d Pending Jul 10, 2024
18727146 DECOMPOSITION OF POLYOLEFINS VASISTH, VISHAL V 1771 §102§103§112DP Final Rejection — Pending Jul 08, 2024
18709043 SYSTEMS AND METHODS FOR MEASURING A RESPONSE OF A SUBJECT TO AN EVENT MUTCHLER, CHRISTOPHER JOHN 3796 §101§112 Final Rejection — Pending May 10, 2024
18617722 APPARATUS LOCALISATION PEDAPATI, CHANDHANA 2669 §103 Non-Final OA 15d Pending Mar 27, 2024
18564140 SYSTEM AND METHOD FOR STIMULATING A NERVE, AUTOMATED RESUSCITATION SYSTEM HOUGH, JESSANDRA F 3796 §102§103 Non-Final OA 42d overdue Pending Nov 27, 2023
18563440 ANTIBODIES LIU, SUE XU 1616 §102§103§112DP Non-Final OA — Pending Nov 22, 2023
18558372 POLYMERISATION OF PROPYLENE BHUSHAN, KUMAR R 1766 DP Non-Final OA — Pending Nov 01, 2023
18556889 HEALTH MONITORING OF ELECTROCHEMICAL ENERGY SUPPLY ELEMENTS SINGLETARY, MICHAEL J 2857 §101§102§103 Final Rejection — Pending Oct 24, 2023
18555910 METHOD AND COMPOSITION SZPERKA, MICHAEL EDWARD 1641 §101§102§112 Non-Final OA — Pending Oct 18, 2023
18553295 Gene Therapy for Retinal Disease PAULUS, ERIN VIRGINIA 1631 §101§102 Non-Final OA — Pending Sep 29, 2023
18283103 ENERGY CONVERTER GORDON, BRYAN P 2837 §102§103 Non-Final OA — Pending Sep 20, 2023
18282561 MODULATING WAKEFULNESS AND AROUSAL CAREY, MICHAEL JAMES 3700 §102§103§112 Non-Final OA — Pending Sep 18, 2023
18279624 BIOMARKER COUNTS, GARY W 1678 §101§102§112 Final Rejection 19d overdue Pending Aug 31, 2023
18272114 TRANSDERMAL VACCINE STOICA, ELLY GERALD 1647 §112 Non-Final OA — Pending Jul 13, 2023
18272110 CAVITATION AGENT CABRAL, ROBERT S 1614 §102§103§112Other Final Rejection 20d Pending Jul 13, 2023
18272115 VACCINE COMPOSITIONS GRIZER, CASSANDRA SENN 1672 §102§103§112 Non-Final OA — Pending Jul 13, 2023
18272119 IMMUNE MODULATING PARTICLES LOVE, TREVOR M 1611 §102DP Non-Final OA — Pending Jul 13, 2023
18266179 TREATMENT OF DISORDERS ASSOCIATED WITH LOW BH4 BIOAVAILABILITY SCHMITT, MICHAEL J 1629 §102 Final Rejection 28d Pending Jun 08, 2023
18021675 METHOD OF MAKING RECOMBINANT AAVS BATES, KEENAN ALEXANDER 1631 §103DP Final Rejection — Pending Feb 16, 2023
18021691 PROCESS FOR MAKING A RECOMBINANT AAV LIBRARY BATES, KEENAN ALEXANDER 1631 §103 Final Rejection — Pending Feb 16, 2023
18010216 ULTRASOUND-SENSITIVE BIODEGRADEABLE MULTI-CAVITY MICRO-PARTICLES VU, JAKE MINH 1618 §103Other Final Rejection — Pending Dec 14, 2022
18057359 EXOSOMES COMPRISING THERAPEUTIC POLYPEPTIDES HASAN, KHALEDA B 1636 §103§112 Non-Final OA — Pending Nov 21, 2022
17924425 POLYNUCLEOTIDE ARRAYS ZHANG, KAIJIANG 1684 §102 Final Rejection 30d overdue Pending Nov 10, 2022
17920561 METHOD OF REDUCING AND RECYCLING OXIDIZED FLAVIN COFACTORS BOWERS, ERIN M 1653 §103 Final Rejection 80d overdue Pending Oct 21, 2022
17796303 Process for Making Adenoassociated Viral Vectors VIJAYARAGHAVAN, JAGAMYA NMN 1633 §112 Non-Final OA — Pending Jul 29, 2022
17796334 DNA Amplification Method JOHNSON, ALLISON MARIE 1638 §112 Final Rejection 45d overdue Pending Jul 29, 2022
17781738 INTRAORAL DEVICE SHOSTAK, ANDREY 3791 §103§112Other Non-Final OA 10d overdue Pending Jun 02, 2022
17773907 Identification and Characterisation of Herbicides and Plant Growth Regulators SANFORD, DIANA PATRICIA 1687 §101§112 Non-Final OA — Pending May 03, 2022
17762823 BIOREACTOR CHAMBER LOPEZLIRA, ASHLEY NICOLE 1799 §103 Non-Final OA — Pending Mar 23, 2022
17642968 SELECTIVE REMOVAL OF CHARGED SPECIES PEO, JONATHAN M 1779 §103 Final Rejection — Pending Mar 15, 2022
17626833 PROCESS FOR PRODUCING A GASEOUS PRODUCT COMPRISING HYDROGEN DOWNES, NATHANAEL JASON 1794 §103 Final Rejection 73d overdue Pending Jan 13, 2022
17624764 METHODS FOR DIAGNOSING MULTIPLE SCLEROSIS SPANGLER, JOSEPH RANKIN 1656 §101§103§112 Final Rejection 341d overdue Pending Jan 04, 2022
17618648 OPTICAL DEVICES AND METHODS TAVLYKAEV, ROBERT FUATOVICH 2896 §103 Non-Final OA — Pending Dec 13, 2021
17599616 UNIVERSAL DNA ASSEMBLY RYAN, DOUGLAS CHARLES 1635 §101§102§112 Non-Final OA — Pending Sep 29, 2021
17278679 EDITING OF HAEMOGLOBIN GENES SPENCER, ANDREA LYNNE MORRIS 1631 §103Other Final Rejection — Pending Mar 23, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Oxford University Innovation Limited have?

Oxford University Innovation Limited has 43 pending office actions as of October 2026, spread across 38 art units and 41 examiners.

Which USPTO examiner handles the most Oxford University Innovation Limited applications?

Vishal V Vasisth has the most, with 2 of Oxford University Innovation Limited's pending office actions.

What technology area are Oxford University Innovation Limited's patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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