Prosecution Insights
Last updated: May 29, 2026

Riken

28 pending office actions • 25 art units • 26 examiners • 0 of 28 (0%) have an AI response strategy ready • 28 patents granted in the last 365 days

Portfolio Summary

28
Total Pending OAs
18
Non-Final OAs
8
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 28 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

13
Overdue
2
Due this week
7
Due this month
5
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. 28 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (13)Due ≤ 7 days (2)Due ≤ 30 days (7)Due ≤ 60 days (5)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.

2
Hard (7%)
24
Medium (86%)
1
Easy (4%)
1
Unknown (4%)

Rejection Statute Mix

BucketCases
§101 only2 (7%)
§103 only21 (75%)
§102 only3 (11%)
§112 only1 (4%)
No statute on record1 (4%)

Industry Mix

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

15
Life Sciences
54% of docket
3
Information Tech
11% of docket
1
Communications
4% of docket
4
Semiconductors
14% of docket
5
Mechanical / Eng
18% 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.

280 h
Manual time on pending OAs
56 h
Time saved (low, 20%)
98 h
Time saved (mid, 35%)
2.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHOI, JAMES J 2 66.8% +46.6%
TRAN, KHOA NHAT 2 35.4% +66.3%
HIGGS, STELLA EUN 1 39.1% +34.9%
ILAGAN, VINCENT CAESAR 1 41.7% +63.6%
GUNBERG, EDWIN C 1 77.9% +6.6%
WONG, ERIC TAK WAI 1 51.0% +13.4%
EINHORN, MICA JILLIAN 1
SHIAO, REI TSANG 1 80.0% -34.5%
TSAI, TSUNG YIN 1 81.7% +11.0%
VAN BUREN, LAUREN K 1 38.9% +57.3%

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
18562513 FEATURE EXTRACTION DEVICE, FEATURE EXTRACTION METHOD, PROGRAM, AND INFORMATION RECORDING MEDIUM TSAI, TSUNG YIN 103d overdue
18568401 Method for Producing Fluorescent Probe Library Using Solid-Phase Extraction and Method of Measuring Enzyme Activity Using Same SHIAO, REI TSANG 24d overdue

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17156181 INFORMATION PROCESSING SYSTEM, COMBINATORIAL OPTIMIZATION METHOD, AND COMBINATORIAL OPTIMIZATION PROGRAM OCHOA, JUAN CARLOS 4d overdue
18591144 RECORDING MEDIUM, INFORMATION PROCESSING SYSTEM, AND DATA PROCESSING SYSTEM WONG, ERIC TAK WAI 14d

Interview Candidates (9)

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
18562513 FEATURE EXTRACTION DEVICE, FEATURE EXTRACTION METHOD, PROGRAM, AND INFORMATION RECORDING MEDIUM TSAI, TSUNG YIN 103d overdue
17802577 PRODUCTION METHOD OF RETINAL PIGMENT EPITHELIAL CELL TRAN, KHOA NHAT 99d overdue
18277353 Atom Beam Generation Device, Physical Package, Optical Lattice Clock Physical Package, Atomic Clock Physical Package, Atomic Interferometer Physical Package, Quantum Information Processing Device Physical Package, and Physical Package System CHOI, JAMES J 44d overdue
18038476 Slow Atomic Beam Generator, Physical Package, Physical Package for Optical Lattice Clock, Physical Package for Atomic Clock, Physical Package for Atomic Interferometer, Physical Package for Quantum Information Processing Device, and Physical Package System CHOI, JAMES J 12d
19111824 METHOD AND APPARATUS FOR DETERMINING RISKS OF NEURODEGENERATIVE DISEASES HIGGS, STELLA EUN 14d
18591144 RECORDING MEDIUM, INFORMATION PROCESSING SYSTEM, AND DATA PROCESSING SYSTEM WONG, ERIC TAK WAI 14d
18558065 STRING-LIKE AGGREGATES OF RETINAL PIGMENT EPITHELIAL CELLS, DEVICE AND PRODUCTION METHOD FOR PRODUCING SAME, AND THERAPEUTIC AGENT COMPRISING SAID STRING-LIKE AGGREGATES VAN BUREN, LAUREN K 33d
17798947 METHOD FOR SUPPRESSING DIFFERENTIATION OF PLURIPOTENT STEM CELLS TRAN, KHOA NHAT 34d

Top Art Units

Art UnitApps
1632 3
2878 2
3681 1
3686 1
2884 1
3693 1
2881 1
1691 1
2656 1
1638 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19111824 METHOD AND APPARATUS FOR DETERMINING RISKS OF NEURODEGENERATIVE DISEASES HIGGS, STELLA EUN 3681 §103 Non-Final OA 14d Pending Mar 14, 2025
18843869 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM ILAGAN, VINCENT CAESAR 3686 §103 Final Rejection 84d Pending Sep 04, 2024
18712873 OBSERVATION DEVICE, AND CROSS-SECTIONAL IMAGE ACQUISITION METHOD GUNBERG, EDWIN C 2884 §103 Non-Final OA 43d overdue Pending May 23, 2024
18591144 RECORDING MEDIUM, INFORMATION PROCESSING SYSTEM, AND DATA PROCESSING SYSTEM WONG, ERIC TAK WAI 3693 §101 Non-Final OA 14d Pending Feb 29, 2024
18289703 THRUST GENERATING DEVICE AND SPACECRAFT EINHORN, MICA JILLIAN 2881 §103 Non-Final OA 3d overdue Pending Dec 13, 2023
18568401 Method for Producing Fluorescent Probe Library Using Solid-Phase Extraction and Method of Measuring Enzyme Activity Using Same SHIAO, REI TSANG 1691 §102 Non-Final OA 24d overdue Pending Dec 08, 2023
18562513 FEATURE EXTRACTION DEVICE, FEATURE EXTRACTION METHOD, PROGRAM, AND INFORMATION RECORDING MEDIUM TSAI, TSUNG YIN 2656 §103 Non-Final OA 103d overdue Pending Nov 20, 2023
18558065 STRING-LIKE AGGREGATES OF RETINAL PIGMENT EPITHELIAL CELLS, DEVICE AND PRODUCTION METHOD FOR PRODUCING SAME, AND THERAPEUTIC AGENT COMPRISING SAID STRING-LIKE AGGREGATES VAN BUREN, LAUREN K 1638 §103 Non-Final OA 33d Pending Oct 30, 2023
18553441 METHOD AND DEVICE FOR INDUCING HYPOMETABOLIC STATE IN SUBJECT WITH DISEASE ANTHONY, MARIA CATHERINE 3796 §103 Non-Final OA 47d Pending Sep 29, 2023
18549792 METHOD FOR PRODUCING HYPOIMMUNOGENIC RETINAL PIGMENT EPITHELIAL CELLS UNDERDAHL, THANE E 1699 §102 Non-Final OA 41d Pending Sep 08, 2023
18034621 CHIMERIC ANTIGEN RECEPTOR (CAR)-T CELL EXPRESSING CXCL12 RECEPTOR DUNN, LINDSAY MICHELLE 1644 §103 Non-Final OA 13d Pending Sep 07, 2023
18277353 Atom Beam Generation Device, Physical Package, Optical Lattice Clock Physical Package, Atomic Clock Physical Package, Atomic Interferometer Physical Package, Quantum Information Processing Device Physical Package, and Physical Package System CHOI, JAMES J 2878 §103 Final Rejection 44d overdue Pending Aug 15, 2023
18262792 PREVENTIVE OR THERAPEUTIC AGENT FOR BENIGN ADULT FAMILIAL MYOCLONIC EPILEPSY SU-TOBON, QIWEN NMN 1636 §103 Non-Final OA 20d Pending Jul 25, 2023
18262406 SPIDER MITE REPELLENT MELLER, MICHAEL V 1655 §103 Non-Final OA 72d overdue Pending Jul 21, 2023
18269264 METHOD AND KIT FOR DETECTING TARGET NUCLEIC ACID FRAGMENT BELLAH, JEFFREY LAWRENCE 1683 Other Non-Final OA 23d overdue Pending Jun 22, 2023
18038476 Slow Atomic Beam Generator, Physical Package, Physical Package for Optical Lattice Clock, Physical Package for Atomic Clock, Physical Package for Atomic Interferometer, Physical Package for Quantum Information Processing Device, and Physical Package System CHOI, JAMES J 2878 §103 Final Rejection 12d Pending May 24, 2023
18029947 COMPLEX, AND USE THEREOF NOLAN, JASON MICHAEL 1623 §103 Non-Final OA 132d overdue Pending May 22, 2023
18311776 DEVICE FOR EVALUATING BODY TEMPERATURE REGULATING FUNCTION, AIR PROCESSING DEVICE, AND METHOD FOR EVALUATING BODY TEMPERATURE REGULATING FUNCTION SHARMIN, ANZUMAN 2115 §103 Non-Final OA 107d overdue Pending May 03, 2023
18025037 Medium for Tissue for Transplantation FAY, ZOHREH ALEMZADEH 1617 §103 Non-Final OA 14d Pending Mar 07, 2023
18007367 Image Processing Device, Image Processing Method, Image Processing Program, Endoscope Device, and Endoscope Image Processing System MALDONADO, STEVEN 3797 §103 Final Rejection 7d Pending Jan 30, 2023
17928184 METHOD FOR TREATING CELL POPULATION AND METHOD FOR ANALYZING GENES INCLUDED IN CELL POPULATION CHUNDURU, SURYAPRABHA 1681 §103 Final Rejection 20d Pending Nov 28, 2022
17802577 PRODUCTION METHOD OF RETINAL PIGMENT EPITHELIAL CELL TRAN, KHOA NHAT 1632 §103 Non-Final OA 99d overdue Pending Aug 26, 2022
17798947 METHOD FOR SUPPRESSING DIFFERENTIATION OF PLURIPOTENT STEM CELLS TRAN, KHOA NHAT 1632 §103 Final Rejection 34d Pending Aug 11, 2022
17655258 COMPOSITION FOR TREATING HEPATITIS B, AND METHOD FOR EVALUATING REPLICATION ACTIVITY OF HEPATITIS B VIRUS SALVOZA, M FRANCO G 1672 §112 Final Rejection 6d Pending Mar 17, 2022
17638753 ORGANOID MESODERM LINEAGE DIVERSIFICATION MONTANARI, DAVID A 1632 §102 Final Rejection 34d Pending Feb 25, 2022
17633353 COMBINED USE OF ARTIFICIAL ADJUVANT VECTOR CELLS AND AN IMMUNOSTIMULANT BARRERA, IMMACULADA 1671 §103 Non-Final OA 19d overdue Pending Feb 07, 2022
17627847 CONVERSION DEVICE, CONVERSION METHOD, PROGRAM, AND INFORMATION RECORDING MEDIUM LI, LIANG Y 2143 §103 Non-Final OA 112d overdue Pending Jan 18, 2022
17156181 INFORMATION PROCESSING SYSTEM, COMBINATORIAL OPTIMIZATION METHOD, AND COMBINATORIAL OPTIMIZATION PROGRAM OCHOA, JUAN CARLOS 2186 §101 Non-Final OA 4d overdue Pending Jan 22, 2021

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