Prosecution Insights
Last updated: May 29, 2026

Keio University

18 pending office actions • 15 art units • 17 examiners • 1 of 18 (6%) have an AI response strategy ready • 14 patents granted in the last 365 days

Portfolio Summary

18
Total Pending OAs
11
Non-Final OAs
7
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 18 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

12
Overdue
1
Due this week
3
Due this month
0
Due in next 60 days
2
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. 18 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (12)Due ≤ 7 days (1)Due ≤ 30 days (3)Due later (2)

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.

1
Hard (6%)
15
Medium (83%)
1
Easy (6%)
1
Unknown (6%)

Rejection Statute Mix

BucketCases
§101 only1 (6%)
§103 only14 (78%)
§102 only1 (6%)
§112 only1 (6%)
No statute on record1 (6%)

Industry Mix

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

9
Life Sciences
50% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
3
Semiconductors
17% of docket
6
Mechanical / Eng
33% 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.

180 h
Manual time on pending OAs
36 h
Time saved (low, 20%)
63 h
Time saved (mid, 35%)
1.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BERKE-SCHLESSEL, DAVID W 2 66.5% +32.1%
CWERN, JONATHAN 1 50.7% +35.3%
BROWN, JOSEPH HENRY 1 59.8% +38.9%
NGUYEN, KEMAYA DEANN HUU 1 74.4% +40.0%
TU, AURELIE H 1 56.0% +61.0%
BAEK, JONGHWAN NMN 1 66.7% +0.0%
VON WALD, ERIC S 1 79.7% +25.1%
BUCHANAN, BAILEY CHEYENNE 1 50.0% +46.7%
FERNANDES, PATRICK M 1 59.9% +32.2%
IVICH, FERNANDO NMN 1 42.9% +77.9%

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
17771247 HEAD-POSITION SWAY MEASURING DEVICE, HEAD-POSITION SWAY MEASURING METHOD, AND BIOLOGICAL INFORMATION ACQUISITION SYSTEM USING SAID DEVICE AND METHOD FERNANDES, PATRICK M 26d

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
17780926 UPPER URINARY TRACT UROTHELIAL CARCINOMA IDENTIFICATION METHOD BUCHANAN, BAILEY CHEYENNE 285d overdue
17770447 METHOD FOR SEPARATING AND DETECTING EXOSOMES, AND KIT FOR SEPARATION AND DETECTION THEREOF IVICH, FERNANDO NMN 147d overdue
18573613 LIGHT INTENSITY MEASUREMENT SYSTEM, RAMAN SCATTERED LIGHT SPECTROSCOPIC MEASUREMENT SYSTEM, AND LIGHT INTENSITY MEASUREMENT METHOD NGUYEN, KEMAYA DEANN HUU 43d overdue
18579230 AGENT FOR IMPROVING INTESTINAL FLORA BERKE-SCHLESSEL, DAVID W 25d overdue
18550496 METHOD FOR PRODUCING BRAIN ORGANOID INCLUDING AGGREGATED TAU PROTEIN BERKE-SCHLESSEL, DAVID W 22d overdue
18855880 DEVICE FOR MONITORING BLOOD BLOCKAGE RATE BY AORTIC BLOCKAGE BALLOON CWERN, JONATHAN 3d overdue
18019291 TURBULENCE PREDICTION SYSTEM AND METHOD VON WALD, ERIC S 14d
17771247 HEAD-POSITION SWAY MEASURING DEVICE, HEAD-POSITION SWAY MEASURING METHOD, AND BIOLOGICAL INFORMATION ACQUISITION SYSTEM USING SAID DEVICE AND METHOD FERNANDES, PATRICK M 26d

Top Art Units

Art UnitApps
1651 2
3791 2
1632 2
3797 1
3618 1
2877 1
1618 1
2857 1
1682 1
1678 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18855880 DEVICE FOR MONITORING BLOOD BLOCKAGE RATE BY AORTIC BLOCKAGE BALLOON CWERN, JONATHAN 3797 §103 Non-Final OA 3d overdue Pending Oct 10, 2024
18579230 AGENT FOR IMPROVING INTESTINAL FLORA BERKE-SCHLESSEL, DAVID W 1651 §102 Non-Final OA 25d overdue Pending Jan 12, 2024
18561674 ACTUATOR BROWN, JOSEPH HENRY 3618 §103 Non-Final OA 27d Pending Jan 02, 2024
18573613 LIGHT INTENSITY MEASUREMENT SYSTEM, RAMAN SCATTERED LIGHT SPECTROSCOPIC MEASUREMENT SYSTEM, AND LIGHT INTENSITY MEASUREMENT METHOD NGUYEN, KEMAYA DEANN HUU 2877 §103 Final Rejection 43d overdue Pending Dec 22, 2023
18550496 METHOD FOR PRODUCING BRAIN ORGANOID INCLUDING AGGREGATED TAU PROTEIN BERKE-SCHLESSEL, DAVID W 1651 Other Non-Final OA 22d overdue Pending Sep 14, 2023
18276827 SYMPTOM DETERMINATION APPARATUS AND STORAGE MEDIUM FOR DETERMINING SYMPTOM TU, AURELIE H 3791 §103 Final Rejection 61d Pending Aug 10, 2023
18273362 EMBOLIC MATERIAL AND METHOD FOR PRODUCING THE SAME BAEK, JONGHWAN NMN 1618 §103 Final Rejection 63d Pending Jul 20, 2023
18019291 TURBULENCE PREDICTION SYSTEM AND METHOD VON WALD, ERIC S 2857 §103 Final Rejection 14d Pending Feb 02, 2023
17780926 UPPER URINARY TRACT UROTHELIAL CARCINOMA IDENTIFICATION METHOD BUCHANAN, BAILEY CHEYENNE 1682 §103 Final Rejection 285d overdue Pending May 27, 2022
17771247 HEAD-POSITION SWAY MEASURING DEVICE, HEAD-POSITION SWAY MEASURING METHOD, AND BIOLOGICAL INFORMATION ACQUISITION SYSTEM USING SAID DEVICE AND METHOD FERNANDES, PATRICK M 3791 §101 Non-Final OA 26d Pending Apr 22, 2022
17770447 METHOD FOR SEPARATING AND DETECTING EXOSOMES, AND KIT FOR SEPARATION AND DETECTION THEREOF IVICH, FERNANDO NMN 1678 §103 Non-Final OA 147d overdue Pending Apr 20, 2022
17754268 GRAPHENE PHOTODETECTOR AND PHOTODETECTOR ARRAY USING SAME YECHURI, SITARAMARAO S 2893 §103 Final Rejection 3d overdue Pending Mar 29, 2022
17293355 METHOD FOR PRODUCING BRAIN ORGANOIDS EBBINGHAUS, BRIANA NOEL 1632 §103 Non-Final OA 6d Pending May 12, 2021
17179446 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM BUI PHO, PASCAL M 3798 §103 Non-Final OA 121d overdue Pending Feb 19, 2021
17258075 MEDICAL GRIPPING DEVICE MCGINNITY, JAMES RYAN 3771 §103 Non-Final OA 70d overdue Pending Jan 05, 2021
16585184 ADDITIVE FOR UNDIFFERENTIATION MAINTAINING MEDIUM WILSON, MICHAEL C 1638 §112 Final Rejection 100d overdue Pending Sep 27, 2019
16327473 2D ORGANOID FOR INFECTION AND CULTURE OF HUMAN DIARRHEA VIRUS, AND USE OF SAID 2D ORGANOID WANG, RUIXUE 1672 §103 Non-Final OA 4d overdue Pending Jul 08, 2019
16341508 UNDIFFERENTIATED STEM CELL-REMOVING AGENT, AND METHOD FOR REMOVING UNDIFFERENTIATED STEM CELLS BERTOGLIO, VALARIE E 1632 §103 Non-Final OA 38d overdue AI Ready Apr 12, 2019

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