Prosecution Insights
Last updated: October 04, 2026

Tayca Corporation

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

4 pending office actions • 3 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Tayca Corporation currently has 3 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed among 3 distinct examiners and 2 distinct art units. This suggests that while the company's work is concentrated in one technology area, it spans at least two different administrative groups at the patent office.

The busiest examiner, NGUYEN, KHANH TUAN, is responsible for 1 pending office action. This indicates an even distribution of the workload, as each of the 3 distinct examiners is handling exactly one of the 3 pending office actions. No single examiner has a dominant influence over the company's current prosecution pipeline.

The use of 2 distinct art units for the pending actions implies that at least one unit is reviewing multiple cases. Practitioners should monitor the examiners to identify any variations in how the Biotechnology & Pharmaceuticals standards are applied. The coordination of responses across 2 distinct art units is necessary to maintain consistency in the company's patent strategy.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

4
Total Pending OAs
2
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
Due later

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 (25%)
3
Medium (75%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (50%)
§102 only1 (25%)
Multi-statute (no §101)1 (25%)

Industry Mix

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

4
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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, KHANH TUAN 1 74.6% +18.7%
BERRIOS, JENNIFER A 1 37.0% +49.8%
JANOSKO, CHASITY PAIGE 1 15.9% +63.6%
LING, DORIS 1 25.0% +27.3%

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
18009215 SPHERICAL SILICA PARTICLE, AND METHOD FOR PRODUCING SAME JANOSKO, CHASITY PAIGE —
17798656 RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, METHOD FOR PRODUCING RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, HIGH REFRACTIVE INDEX COATING-FORMING COMPOSITION USING SAID RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, AND OPTICAL ELEMENT LING, DORIS —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18560218 COMPOSITE SURFACE-TREATED INORGANIC POWDER BERRIOS, JENNIFER A 15d
18564162 DOPANT SOLUTION FOR CONDUCTIVE POLYMER, MONOMER LIQUID FOR PRODUCING CONDUCTIVE POLYMER, CONDUCTIVE COMPOSITION AND METHOD FOR PRODUCING SAME, AND ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING SAME NGUYEN, KHANH TUAN —
18009215 SPHERICAL SILICA PARTICLE, AND METHOD FOR PRODUCING SAME JANOSKO, CHASITY PAIGE —
17798656 RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, METHOD FOR PRODUCING RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, HIGH REFRACTIVE INDEX COATING-FORMING COMPOSITION USING SAID RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, AND OPTICAL ELEMENT LING, DORIS —

Top Art Units

Art UnitApps
1613 2
1734 1
1764 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18564162 DOPANT SOLUTION FOR CONDUCTIVE POLYMER, MONOMER LIQUID FOR PRODUCING CONDUCTIVE POLYMER, CONDUCTIVE COMPOSITION AND METHOD FOR PRODUCING SAME, AND ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING SAME NGUYEN, KHANH TUAN 1734 §102 Non-Final OA — Pending Nov 27, 2023
18560218 COMPOSITE SURFACE-TREATED INORGANIC POWDER BERRIOS, JENNIFER A 1613 §103 Final Rejection 15d Pending Nov 10, 2023
18009215 SPHERICAL SILICA PARTICLE, AND METHOD FOR PRODUCING SAME JANOSKO, CHASITY PAIGE 1613 §103 Non-Final OA — Pending Dec 08, 2022
17798656 RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, METHOD FOR PRODUCING RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, HIGH REFRACTIVE INDEX COATING-FORMING COMPOSITION USING SAID RUTILE-TYPE TITANIUM OXIDE ORGANOSOL, AND OPTICAL ELEMENT LING, DORIS 1764 §103§112 Final Rejection — Pending Aug 10, 2022

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