Prosecution Insights
Last updated: May 29, 2026

Tianjin University

10 pending office actions • 9 art units • 10 examiners • 0 of 10 (0%) have an AI response strategy ready • 34 patents granted in the last 365 days

Portfolio Summary

10
Total Pending OAs
6
Non-Final OAs
1
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 10 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

7
Overdue
3
Due this week
0
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. 10 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (7)Due ≤ 7 days (3)

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%)
5
Medium (50%)
4
Easy (40%)
1
Unknown (10%)

Rejection Statute Mix

BucketCases
§103 only5 (50%)
§112 only4 (40%)
No statute on record1 (10%)

Industry Mix

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

3
Life Sciences
30% of docket
1
Information Tech
10% of docket
1
Communications
10% of docket
2
Semiconductors
20% of docket
3
Mechanical / Eng
30% 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.

100 h
Manual time on pending OAs
20 h
Time saved (low, 20%)
35 h
Time saved (mid, 35%)
0.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BARNIE, REXFORD N 1 14.0% +20.6%
CHUNG, MONG-SHUNE 1 76.1% +22.3%
RIETH, STEPHEN EDWARD 1 44.9% +32.6%
CHONG, JASON Y 1 73.9% +16.5%
EVANGELISTA, THEODORE JUSTINE 1 66.7% +17.1%
LEIBY, CHRISTOPHER E 1 61.6% +22.7%
MUNDI, JASMIN KAUR 1
HEALY, NOAH MICHAEL 1 70.3% +40.7%
TOTH, KAREN E 1 46.6% +25.0%
KOROTCHKINA, LIOUBOV G 1 28.0% +59.9%

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
17793009 4-UREIDO-5-CARBOXYL-IMIDAZOLE-AMIDE HYDROLASE AND USE THEREOF KOROTCHKINA, LIOUBOV G 74d overdue
19315554 MULTI-PORT DC TRANSFER SWITCH BASED ON CONTROLLABLE NEGATIVE VOLTAGE SOURCE BARNIE, REXFORD N 5d overdue

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
18214777 METHOD FOR PREPARING AROMATIC HYDROCARBON-RICH PYROLYTIC OIL BY CATALYTIC PYROLYSIS OF WASTE MASK CHONG, JASON Y 149d overdue
17904790 METHOD AND APPARATUS FOR PERFORMING SPATIAL FILTERING AND AUGMENTING ELECTROENCEPHALOGRAM SIGNAL, ELECTRONIC DEVICE, AND STORAGE MEDIUM TOTH, KAREN E 139d overdue
18102495 AUTOMATIC DETECTION SYSTEM FOR DEPRESSIVE DISORDER BASED ON HIGH FREQUENCY AUDITORY STEADY-STATE RESPONSE HEALY, NOAH MICHAEL 89d overdue
17793009 4-UREIDO-5-CARBOXYL-IMIDAZOLE-AMIDE HYDROLASE AND USE THEREOF KOROTCHKINA, LIOUBOV G 74d overdue
18199227 HUNDRED-KILOWATTS-LEVEL MONOLITHIC FIBER LASER BASED ON AUXILIARY LASERS AND HYBRID CLADDING PUMPING SCHEME LEIBY, CHRISTOPHER E 59d overdue
18341805 METHOD FOR TREATING WASTE PLASTIC BASED ON PERSULFATE SYSTEM RIETH, STEPHEN EDWARD 35d overdue
19315554 MULTI-PORT DC TRANSFER SWITCH BASED ON CONTROLLABLE NEGATIVE VOLTAGE SOURCE BARNIE, REXFORD N 5d overdue
18199371 METHOD FOR DETERMINING THE FILLING WELDING PARAMETERS OF LARGE DEFORMATION PIPELINE STEEL BASED ON SECONDARY REGULATION METHOD EVANGELISTA, THEODORE JUSTINE 5d

Top Art Units

Art UnitApps
3791 2
2836 1
2118 1
1759 1
1772 1
3761 1
2621 1
2828 1
1653 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19315554 MULTI-PORT DC TRANSFER SWITCH BASED ON CONTROLLABLE NEGATIVE VOLTAGE SOURCE BARNIE, REXFORD N 2836 §112 Non-Final OA 5d overdue Pending Aug 30, 2025
18502848 CONTROL METHOD AND SYSTEM FOR IMPROVING TRANSIENT STABILITY AREA OF GRID-CONNECTED INVERTER CHUNG, MONG-SHUNE 2118 §112 Non-Final OA 7d Pending Nov 06, 2023
18341805 METHOD FOR TREATING WASTE PLASTIC BASED ON PERSULFATE SYSTEM RIETH, STEPHEN EDWARD 1759 §103 Non-Final OA 35d overdue Pending Jun 27, 2023
18214777 METHOD FOR PREPARING AROMATIC HYDROCARBON-RICH PYROLYTIC OIL BY CATALYTIC PYROLYSIS OF WASTE MASK CHONG, JASON Y 1772 §112 Non-Final OA 149d overdue Pending Jun 27, 2023
18199371 METHOD FOR DETERMINING THE FILLING WELDING PARAMETERS OF LARGE DEFORMATION PIPELINE STEEL BASED ON SECONDARY REGULATION METHOD EVANGELISTA, THEODORE JUSTINE 3761 §103 Non-Final OA 5d Pending May 19, 2023
18199227 HUNDRED-KILOWATTS-LEVEL MONOLITHIC FIBER LASER BASED ON AUXILIARY LASERS AND HYBRID CLADDING PUMPING SCHEME LEIBY, CHRISTOPHER E 2621 §103 Non-Final OA 59d overdue Pending May 18, 2023
18197519 2.8 MICROMETER AND 3.5 MICROMETER DUAL-WAVELENGTH MID-INFRAREDFIBER LASER MUNDI, JASMIN KAUR 2828 §103 Non-Final OA 5d Pending May 15, 2023
18102495 AUTOMATIC DETECTION SYSTEM FOR DEPRESSIVE DISORDER BASED ON HIGH FREQUENCY AUDITORY STEADY-STATE RESPONSE HEALY, NOAH MICHAEL 3791 §103 Final Rejection 89d overdue Pending Jan 27, 2023
17904790 METHOD AND APPARATUS FOR PERFORMING SPATIAL FILTERING AND AUGMENTING ELECTROENCEPHALOGRAM SIGNAL, ELECTRONIC DEVICE, AND STORAGE MEDIUM TOTH, KAREN E 3791 §112 Non-Final OA 139d overdue Pending Aug 23, 2022
17793009 4-UREIDO-5-CARBOXYL-IMIDAZOLE-AMIDE HYDROLASE AND USE THEREOF KOROTCHKINA, LIOUBOV G 1653 Other Non-Final OA 74d overdue Pending Jul 14, 2022

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