Prosecution Insights
Last updated: August 06, 2026

Teijin Limited

17 pending office actions • 10 art units • 15 examiners • 0 of 17 (0%) have an AI response strategy ready • 26 patents granted in the last 365 days

Portfolio Summary

17
Total Pending OAs
7
Non-Final OAs
10
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
2
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. 6 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (2)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.

6
Hard (35%)
10
Medium (59%)
1
Easy (6%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only6 (35%)
§102 only1 (6%)
§112 only1 (6%)
Double-patenting + other3 (18%)
Multi-statute (no §101)6 (35%)

Industry Mix

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

12
Life Sciences
71% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
6% of docket
4
Business / Other
24% 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.

170 h
Manual time on pending OAs
34 h
Time saved (low, 20%)
59 h
Time saved (mid, 35%)
1.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MILLER-CRUZ, EKANDRA S. 2 65.5% +51.9%
ZEMUI, NATHANAEL T 2 55.9% +24.0%
SHTERENGARTS, SAMANTHA L 1 79.4% +8.0%
YANG, YI-SHAN 1 69.9% +54.7%
ALLEN, MARIANNE P 1 60.1% +18.3%
PETRASH, HILARY ANN 1 63.9% +53.5%
PIERCE, JEREMY R 1 56.6% +43.2%
BUCHANAN, JACOB 1 55.9% +44.5%
CHAN, HENG M 1 60.6% +32.8%
DONAHUE, OLGA LUCIA 1 75.0% +14.8%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
17798791 STITCHED FIBER-REINFORCED SUBSTRATE MATERIAL, PREFORM MATERIAL, FIBER REINFORCED COMPOSITE MATERIAL, AND MANUFACTURING METHOD FOR SAME MATZEK, MATTHEW D 36d
18682739 LAMINATED FILM MILLER-CRUZ, EKANDRA S.
18682181 LAMINATED FILM MILLER-CRUZ, EKANDRA S.
18578787 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY ZEMUI, NATHANAEL T
18163599 COMPOSITE MATERIAL AND METHOD FOR PRODUCING MOLDED ARTICLE GILLETT, JENNIFER ANN
17915684 POLYMER HAVING EXCELLENT COMPATIBILITY WITH THERMOPLASTIC RESINS BERRO, ADAM JOSEPH

Interview Candidates (11)

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
18007606 ANTI-IGF-1 RECEPTOR HUMANIZED ANTIBODY ALLEN, MARIANNE P 42d overdue
18266956 TRANSCRANIAL MAGNETIC STIMULATOR YANG, YI-SHAN 15d overdue
17984328 HIGH-CONCENTRATION PARTICLE-CONTAINING FILM AND METHOD FOR PRODUCING SAME ZEMUI, NATHANAEL T 15d overdue
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
17539926 THERAPEUTIC AGENT OR PROPHYLACTIC AGENT FOR DEMENTIA PETRASH, HILARY ANN
18689969 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY BUCHANAN, JACOB
18682739 LAMINATED FILM MILLER-CRUZ, EKANDRA S.

Top Art Units

Art UnitApps
1789 2
1773 2
1727 2
3798 1
1647 1
1644 1
1763 1
1738 1
1765 1
1786 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18841597 CRYSTALS OF VITAMIN D DERIVATIVE OR CRYSTALS OF SOLVATE THEREOF SHTERENGARTS, SAMANTHA L §112 Non-Final OA Pending Aug 26, 2024
18266956 TRANSCRANIAL MAGNETIC STIMULATOR YANG, YI-SHAN 3798 §103 Final Rejection 15d overdue Pending Jun 13, 2023
18007606 ANTI-IGF-1 RECEPTOR HUMANIZED ANTIBODY ALLEN, MARIANNE P 1647 §102§112DP Final Rejection 42d overdue Pending Dec 01, 2022
17539926 THERAPEUTIC AGENT OR PROPHYLACTIC AGENT FOR DEMENTIA PETRASH, HILARY ANN 1644 §112DP Final Rejection Pending Dec 01, 2021
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 §103 Final Rejection 15d Pending May 01, 2024
18689969 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY BUCHANAN, JACOB §103DP Non-Final OA Pending Mar 07, 2024
18682739 LAMINATED FILM MILLER-CRUZ, EKANDRA S. 1773 §103§112Other Final Rejection Pending Feb 09, 2024
18682181 LAMINATED FILM MILLER-CRUZ, EKANDRA S. 1773 §103§112Other Final Rejection Pending Feb 08, 2024
18578787 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY ZEMUI, NATHANAEL T §102§103 Non-Final OA Pending Jan 12, 2024
18565121 ELECTRODE SHEET FOR LITHIUM ION SECONDARY BATTERY CHAN, HENG M §103 Non-Final OA Pending Nov 29, 2023
18275109 POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE DONAHUE, OLGA LUCIA 1763 §103 Final Rejection 12d Pending Jul 31, 2023
18023959 RESIN-ATTACHED FIBER AND ACTIVE MATERIAL LAYER, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME GILLIAM, BARBARA LEE 1727 §102 Final Rejection Pending Feb 28, 2023
18023915 METHOD FOR DECOMPOSING PLASTIC-CONTAINING MATERIAL, METHOD FOR RECOVERING INORGANIC MATERIAL, RECYCLED CARBON FIBER, METHOD FOR PRODUCING RECYCLED CARBON FIBER, BLENDED YARN, CARBON FIBER-REINFORCED THERMOPLASTIC RESIN PELLETS CONTAINING SAID BLENDED YARN AND METHOD FOR PRODUCING SAME, CARBON FIBER-REINFORCED THERMOPLASTIC RESIN STRAND AND METHOD FOR PRODUCING SAME, AND CARBON FIBER-REINFORCED THERMOPLASTIC PELLETS TAYLOR, JORDAN W 1738 §103 Final Rejection Pending Feb 28, 2023
18163599 COMPOSITE MATERIAL AND METHOD FOR PRODUCING MOLDED ARTICLE GILLETT, JENNIFER ANN 1789 §102§103§112 Final Rejection Pending Feb 02, 2023
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
17915684 POLYMER HAVING EXCELLENT COMPATIBILITY WITH THERMOPLASTIC RESINS BERRO, ADAM JOSEPH 1765 §103§112 Non-Final OA Pending Sep 29, 2022
17798791 STITCHED FIBER-REINFORCED SUBSTRATE MATERIAL, PREFORM MATERIAL, FIBER REINFORCED COMPOSITE MATERIAL, AND MANUFACTURING METHOD FOR SAME MATZEK, MATTHEW D 1786 §102§103 Non-Final OA 36d Pending Aug 10, 2022

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