Prosecution Insights
Last updated: May 29, 2026

Teijin Limited

11 pending office actions • 9 art units • 11 examiners • 0 of 11 (0%) have an AI response strategy ready • 18 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
9
Non-Final OAs
2
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
1
Due this week
4
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 ≤ 7 days (1)Due ≤ 30 days (4)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%)
10
Medium (91%)
0
Easy (0%)
1
Unknown (9%)

Rejection Statute Mix

BucketCases
§103 only9 (82%)
§102 only1 (9%)
No statute on record1 (9%)

Industry Mix

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

11
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% 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
PIERCE, JEREMY R 1 56.5% +43.5%
DANIELS, MATTHEW J 1 69.1% +25.4%
DONAHUE, OLGA LUCIA 1 75.9% +12.2%
STEELE, JENNIFER A 1 48.4% +33.5%
EGWIM, KELECHI CHIDI 1 69.8% +14.0%
DU, SURBHI M 1 69.0% +30.2%
ZEMUI, NATHANAEL T 1 56.2% +24.8%
MATZEK, MATTHEW D 1 45.8% +37.1%
KHAN, AMINA S 1 48.0% +43.3%
CHOI, PETER Y 1 20.9% +33.6%

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
17604607 THERMOPLASTIC RESIN PREPREG, PRODUCTION METHOD THEREOF, AND FIBER-REINFORCED COMPOSITE MATERIAL CHOI, PETER Y 146d overdue

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
17604607 THERMOPLASTIC RESIN PREPREG, PRODUCTION METHOD THEREOF, AND FIBER-REINFORCED COMPOSITE MATERIAL CHOI, PETER Y 146d overdue
18271720 HEAT-RESISTANT HIGH-TOUGHNESS FIBER, PRODUCTION METHOD THEREOF, AND HEAT-RESISTANT HIGH-TOUGHNESS FILM STEELE, JENNIFER A 80d overdue
17623165 DYED FABRIC, FIBER PRODUCT IN WHICH SAME IS USED, AND METHOD FOR DYEING FABRIC KHAN, AMINA S 37d overdue
17984328 HIGH-CONCENTRATION PARTICLE-CONTAINING FILM AND METHOD FOR PRODUCING SAME ZEMUI, NATHANAEL T 15d overdue
18030111 CATALYST PARTICLES FOR POLYESTER PRODUCTION AND METHOD FOR PRODUCING POLYESTER USING SAME EGWIM, KELECHI CHIDI 2d overdue
18287101 MOLDING MATERIAL CONTAINING CARBON FIBERS AND GLASS FIBERS AND METHOD FOR MANUFACTURING MOLDED BODY BY COLD-PRESSING SAME DANIELS, MATTHEW J 7d
18275109 POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE DONAHUE, OLGA LUCIA 12d
18285133 SPINDLE-SHAPED CARBON FIBER-CONTAINING AGGREGATE, MANUFACTURING METHOD FOR SAME, CARBON FIBER-REINFORCED THERMOPLASTIC RESIN PELLETS CONTAINING RECYCLED CARBON FIBERS, AND MANUFACTURING METHOD FOR SAME PIERCE, JEREMY R 15d

Top Art Units

Art UnitApps
1789 2
1786 2
1742 1
1763 1
1762 1
1765 1
1727 1
1761 1
1777 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18285133 SPINDLE-SHAPED CARBON FIBER-CONTAINING AGGREGATE, MANUFACTURING METHOD FOR SAME, CARBON FIBER-REINFORCED THERMOPLASTIC RESIN PELLETS CONTAINING RECYCLED CARBON FIBERS, AND MANUFACTURING METHOD FOR SAME PIERCE, JEREMY R 1789 Other Non-Final OA 15d Pending May 01, 2024
18287101 MOLDING MATERIAL CONTAINING CARBON FIBERS AND GLASS FIBERS AND METHOD FOR MANUFACTURING MOLDED BODY BY COLD-PRESSING SAME DANIELS, MATTHEW J 1742 §103 Non-Final OA 7d Pending Apr 02, 2024
18275109 POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE DONAHUE, OLGA LUCIA 1763 §103 Non-Final OA 12d Pending Jul 31, 2023
18271720 HEAT-RESISTANT HIGH-TOUGHNESS FIBER, PRODUCTION METHOD THEREOF, AND HEAT-RESISTANT HIGH-TOUGHNESS FILM STEELE, JENNIFER A 1789 §103 Non-Final OA 80d overdue Pending Jul 11, 2023
18030111 CATALYST PARTICLES FOR POLYESTER PRODUCTION AND METHOD FOR PRODUCING POLYESTER USING SAME EGWIM, KELECHI CHIDI 1762 §102 Non-Final OA 2d overdue Pending Apr 04, 2023
18010898 THERMOPLASTIC RESIN AND OPTICAL MEMBER CONTAINING SAME DU, SURBHI M 1765 §103 Non-Final OA 15d Pending Dec 16, 2022
17984328 HIGH-CONCENTRATION PARTICLE-CONTAINING FILM AND METHOD FOR PRODUCING SAME ZEMUI, NATHANAEL T 1727 §103 Non-Final OA 15d overdue Pending Nov 10, 2022
17798791 STITCHED FIBER-REINFORCED SUBSTRATE MATERIAL, PREFORM MATERIAL, FIBER REINFORCED COMPOSITE MATERIAL, AND MANUFACTURING METHOD FOR SAME MATZEK, MATTHEW D 1786 §103 Non-Final OA 36d Pending Aug 10, 2022
17623165 DYED FABRIC, FIBER PRODUCT IN WHICH SAME IS USED, AND METHOD FOR DYEING FABRIC KHAN, AMINA S 1761 §103 Final Rejection 37d overdue Pending Dec 27, 2021
17604607 THERMOPLASTIC RESIN PREPREG, PRODUCTION METHOD THEREOF, AND FIBER-REINFORCED COMPOSITE MATERIAL CHOI, PETER Y 1786 §103 Final Rejection 146d overdue Pending Oct 18, 2021
17437961 HYDROPHILIC COMPOSITE POROUS MEMBRANE KEYWORTH, PETER 1777 §103 Non-Final OA 15d Pending Sep 10, 2021

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