Prosecution Insights
Last updated: May 29, 2026

Regents of the University of Michigan

11 pending office actions • 10 art units • 11 examiners • 0 of 11 (0%) have an AI response strategy ready • 19 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
8
Non-Final OAs
3
Final Rejections
0
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
0
Due this week
5
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. 11 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (5)Due ≤ 30 days (5)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.

0
Hard (0%)
11
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only10 (91%)
§102 only1 (9%)

Industry Mix

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

4
Life Sciences
36% of docket
2
Information Tech
18% of docket
1
Communications
9% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
36% 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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGANGA, BONIFACE N 1 64.1% +30.1%
PHAN, TUANKHANH D 1 78.8% +13.0%
WON, MICHAEL YOUNG 1 79.8% +29.1%
HYTREK, ASHLEY LYNN 1 88.6% +13.3%
PIHONAK, SARAH 1 60.9% +43.4%
O DELL, DAVID K 1 57.8% +35.8%
HOEKSTRA, JEFFREY GERBEN 1 55.6% +40.1%
EDOUARD, PATRICIA KELLY 1 13.0% +23.2%
TRAN, ERIC 1 68.7% +24.7%
SCHULTZHAUS, JANNA NICOLE 1 33.3% +40.2%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18440436 AI-Powered Surgical Video Analysis HYTREK, ASHLEY LYNN 27d

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18139943 SYSTEMS AND METHODS FOR DESIGNING DRUG COMBINATION THERAPIES EDOUARD, PATRICIA KELLY 22d

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
17886776 METHOD OF TREATING GRAFT-VERSUS-HOST DISEASE TRAN, ERIC 99d overdue
18271031 Examination Scope With Tissue Sample Collection Brush HOEKSTRA, JEFFREY GERBEN 16d overdue
19073743 ULTRASOUND MOTION TRACKING TO MEASURE MOVEMENT OF STRUCTURES IN THE PELVIC AREA NGANGA, BONIFACE N 10d overdue
18817142 Techniques for Massively Parallel Graphics Processing Unit (GPU) Based Compression PHAN, TUANKHANH D 4d overdue
18232230 CHIRAL PHOSPHORIC ACIDS IMMOBILIZED ON SOLID SUPPORT FOR THE SELECTIVE PROTECTION OF HYDROXYL GROUPS O DELL, DAVID K 8d
18443677 SYSTEMS AND METHODS FOR CLASSIFYING ENCRYPTED DATA USING AN ENCRYPTED MACHINE LEARNING MODEL WON, MICHAEL YOUNG 16d
18278904 COMPOUNDS AND METHODS FOR TREATING CONGENITAL ERYTHROPOIETIC PORPHYRIA PIHONAK, SARAH 22d
18139943 SYSTEMS AND METHODS FOR DESIGNING DRUG COMBINATION THERAPIES EDOUARD, PATRICIA KELLY 22d

Top Art Units

Art UnitApps
3791 2
3797 1
2154 1
2443 1
2665 1
1627 1
1621 1
3681 1
1629 1
1685 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19073743 ULTRASOUND MOTION TRACKING TO MEASURE MOVEMENT OF STRUCTURES IN THE PELVIC AREA NGANGA, BONIFACE N 3797 §103 Non-Final OA 10d overdue Pending Mar 07, 2025
18817142 Techniques for Massively Parallel Graphics Processing Unit (GPU) Based Compression PHAN, TUANKHANH D 2154 §103 Final Rejection 4d overdue Pending Aug 27, 2024
18443677 SYSTEMS AND METHODS FOR CLASSIFYING ENCRYPTED DATA USING AN ENCRYPTED MACHINE LEARNING MODEL WON, MICHAEL YOUNG 2443 §103 Final Rejection 16d Pending Feb 16, 2024
18440436 AI-Powered Surgical Video Analysis HYTREK, ASHLEY LYNN 2665 §103 Non-Final OA 27d Pending Feb 13, 2024
18278904 COMPOUNDS AND METHODS FOR TREATING CONGENITAL ERYTHROPOIETIC PORPHYRIA PIHONAK, SARAH 1627 §103 Non-Final OA 22d Pending Aug 25, 2023
18232230 CHIRAL PHOSPHORIC ACIDS IMMOBILIZED ON SOLID SUPPORT FOR THE SELECTIVE PROTECTION OF HYDROXYL GROUPS O DELL, DAVID K 1621 §103 Non-Final OA 8d Pending Aug 09, 2023
18271031 Examination Scope With Tissue Sample Collection Brush HOEKSTRA, JEFFREY GERBEN 3791 §102 Non-Final OA 16d overdue Pending Jul 05, 2023
18139943 SYSTEMS AND METHODS FOR DESIGNING DRUG COMBINATION THERAPIES EDOUARD, PATRICIA KELLY 3681 §103 Non-Final OA 22d Pending Apr 26, 2023
17886776 METHOD OF TREATING GRAFT-VERSUS-HOST DISEASE TRAN, ERIC 1629 §103 Final Rejection 99d overdue Pending Aug 12, 2022
17876493 Designing Chemical or Genetic Perturbations using Artificial Intelligence SCHULTZHAUS, JANNA NICOLE 1685 §103 Non-Final OA 34d Pending Jul 28, 2022
17864791 Optic Nerve Head Oxygen Perfusion as a Real Time Biomarker for Traumatic Brain Injury COOPER, JONATHAN EPHRAIM 3791 §103 Non-Final OA 18d overdue Pending Jul 14, 2022

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