Prosecution Insights
Last updated: October 04, 2026

Tokuyama Corporation

Technology area: Chemistry & Materials

24 pending office actions • 13 art units • 23 examiners • 0 of 24 (0%) have an AI response strategy ready • 30 patents granted in the last 365 days

Analysis

Tokuyama Corporation maintains a company patent portfolio with 24 pending office actions concentrated in the Chemistry & Materials technology area. These 24 actions are spread across 13 distinct art units, reflecting a range of technical sub-specialties within their core field. With 23 distinct examiners assigned to these cases, the company faces a decentralized examination process where almost every pending matter is handled by a unique official. This distribution across 13 art units requires a strategy that accounts for diverse examiner behaviors and art unit specificities.

The busiest examiner, AHVAZI, BIJAN, is responsible for 2 pending office actions. This count of 2 actions represents the highest number of cases assigned to a single examiner for this company. The other pending actions are managed by the remaining distinct examiners. Such a wide distribution across 23 distinct examiners suggests that the company must address a variety of individual preferences and interpretations of the law. Practitioners should be prepared for 24 different prosecution paths, as the 24 pending office actions are rarely consolidated under the same examiner.

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

Portfolio Summary

24
Total Pending OAs
15
Non-Final OAs
8
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 8 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
1
Due this week
4
Due this month
1
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. 8 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 7 days (1)Due ≤ 30 days (4)Due ≤ 60 days (1)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.

10
Hard (42%)
12
Medium (50%)
1
Easy (4%)
1
Unknown (4%)

Rejection Statute Mix

BucketCases
§103 only10 (42%)
§102 only2 (8%)
§112 only1 (4%)
Multi-statute (no §101)10 (42%)
No statute on record1 (4%)

Industry Mix

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

16
Life Sciences
67% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
4% of docket
7
Business / Other
29% 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.

240 h
Manual time on pending OAs
48 h
Time saved (low, 20%)
84 h
Time saved (mid, 35%)
2.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
AHVAZI, BIJAN 2 63.2% +47.3%
SCHWARTZ, PHILIP N 1 55.5% +17.0%
NIEVES, NELSON J 1 75.3% +16.6%
DUCLAIR, STEPHANIE P. 1 72.2% +19.6%
FAYYAZ, NASHMIYA SAQIB 1 67.1% +42.3%
LOUGHRAN, RYAN PATRICK 1 75.0% +29.7%
SALAMON, PETER A 1 86.3% +5.8%
SAWYER, JENNIFER C 1 68.6% -8.4%
AHMED, SHAMIM 1 78.4% +22.2%
HOWELL, MARC C 1 68.6% +24.7%

Hard Cases (10)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18274188 HOLLOW MICROBALLOON RIOJA, MELISSA A 9d
18235958 GROUND STRUCTURE AND CONSTRUCTION METHOD THEREOF HARTMANN, GARY S 29d
18037966 POLYCRYSTAL SILICON ROD, POLYCRYSTAL SILICON ROD PRODUCTION METHOD, AND POLYCRYSTAL SILICON THERMAL PROCESSING METHOD SONG, MATTHEW J 60d
18690523 METHOD FOR MEASURING SURFACE CARBON LEVEL OF INORGANIC SOLID FAYYAZ, NASHMIYA SAQIB —
18729281 PHOTOCHROMIC COMPOUND, NAPHTHOL DERIVATIVE, CURABLE COMPOSITION, OPTICAL ARTICLE, LENS, AND EYEGLASSES AHVAZI, BIJAN —
18697034 Masterbatch, Method for Producing Masterbatch, Rubber Composition for Tires, Method for Producing Rubber Composition for Tires, and Rubber Material for Tires SALAMON, PETER A —
18615802 METHOD FOR PRODUCING ORGANIC SOLVENT SOLUTION OF QUATERNARY AMMONIUM HYDROXIDE SAWYER, JENNIFER C —
18565351 HEXAGONAL BORON NITRIDE POWDER NGUYEN, CAM N —

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
18394206 SILICON ETCHING SOLUTION, METHOD OF TREATING SILICON SUBSTRATE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AHMED, SHAMIM 22d overdue
18286646 OPTICAL ARTICLE, SPECTACLE LENS AND SPECTACLES AHVAZI, BIJAN 84d
19161577 Rubber Composition for Tire and Rubber Material for Tire SCHWARTZ, PHILIP N —
19105855 ALUMINUM NITRIDE POWDER AND RESIN COMPOSITION NIEVES, NELSON J —
18999298 SEMICONDUCTOR TREATMENT LIQUID FOR REMOVING RUTHENIUM SILICIDE DUCLAIR, STEPHANIE P. —
18690523 METHOD FOR MEASURING SURFACE CARBON LEVEL OF INORGANIC SOLID FAYYAZ, NASHMIYA SAQIB —
18729281 PHOTOCHROMIC COMPOUND, NAPHTHOL DERIVATIVE, CURABLE COMPOSITION, OPTICAL ARTICLE, LENS, AND EYEGLASSES AHVAZI, BIJAN —
18712959 POWDERY HYDRAULIC COMPOSITION LOUGHRAN, RYAN PATRICK —

Top Art Units

Art UnitApps
1731 3
1736 2
1787 2
1749 1
1691 1
1713 1
1763 1
1767 1
3671 1
1764 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19161577 Rubber Composition for Tire and Rubber Material for Tire SCHWARTZ, PHILIP N 1749 §103 Non-Final OA — Pending Sep 02, 2025
19105855 ALUMINUM NITRIDE POWDER AND RESIN COMPOSITION NIEVES, NELSON J — §112 Non-Final OA — Pending Feb 24, 2025
18999298 SEMICONDUCTOR TREATMENT LIQUID FOR REMOVING RUTHENIUM SILICIDE DUCLAIR, STEPHANIE P. — §103 Non-Final OA — Pending Dec 23, 2024
18690523 METHOD FOR MEASURING SURFACE CARBON LEVEL OF INORGANIC SOLID FAYYAZ, NASHMIYA SAQIB — §103§112 Non-Final OA — Pending Sep 12, 2024
18729281 PHOTOCHROMIC COMPOUND, NAPHTHOL DERIVATIVE, CURABLE COMPOSITION, OPTICAL ARTICLE, LENS, AND EYEGLASSES AHVAZI, BIJAN — §103§112Other Non-Final OA — Pending Jul 16, 2024
18712959 POWDERY HYDRAULIC COMPOSITION LOUGHRAN, RYAN PATRICK — §102 Non-Final OA — Pending May 23, 2024
18697034 Masterbatch, Method for Producing Masterbatch, Rubber Composition for Tires, Method for Producing Rubber Composition for Tires, and Rubber Material for Tires SALAMON, PETER A — §102§103 Non-Final OA — Pending Mar 29, 2024
18615802 METHOD FOR PRODUCING ORGANIC SOLVENT SOLUTION OF QUATERNARY AMMONIUM HYDROXIDE SAWYER, JENNIFER C 1691 §103§112 Final Rejection — Pending Mar 25, 2024
18394206 SILICON ETCHING SOLUTION, METHOD OF TREATING SILICON SUBSTRATE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AHMED, SHAMIM 1713 §103 Final Rejection 22d overdue Pending Dec 22, 2023
18570113 METHOD AND DEVICE FOR MIXING GYPSUM GRANULES DERIVED FROM WASTE GYPSUM BOARD AND GYPSUM SLURRY HOWELL, MARC C — §102 Non-Final OA — Pending Dec 14, 2023
18565351 HEXAGONAL BORON NITRIDE POWDER NGUYEN, CAM N 1736 §102§103§112 Non-Final OA — Pending Nov 29, 2023
18286646 OPTICAL ARTICLE, SPECTACLE LENS AND SPECTACLES AHVAZI, BIJAN 1763 §103 Final Rejection 84d Pending Oct 12, 2023
18281918 SURFACE-TREATED INORGANIC POWDER, PRODUCTION METHOD THEREOF, AND RESIN COMPOSITION AND DISPERSION COMPRISING SAID SURFACE-TREATED INORGANIC POWDER MANGOHIG, THOMAS A 1731 §103 Non-Final OA — Pending Sep 13, 2023
18279710 PHOTOCHROMIC CURABLE COMPOSITION SHAH, SAMIR 1787 §103 Final Rejection 28d Pending Aug 31, 2023
18279183 ALUMINUM NITRIDE GRANULAR POWDER AND RESIN COMPOSITION KOLB, KATARZYNA I 1767 §103 Final Rejection — Pending Aug 28, 2023
18278324 PHOTOCHROMIC CURABLE COMPOSITION, PHOTOCHROMIC LAMINATE AND METHOD FOR PRODUCING THE SAME KRUER, KEVIN R 1787 §103 Final Rejection — Pending Aug 22, 2023
18235958 GROUND STRUCTURE AND CONSTRUCTION METHOD THEREOF HARTMANN, GARY S 3671 §103§112 Non-Final OA 29d Pending Aug 21, 2023
18274188 HOLLOW MICROBALLOON RIOJA, MELISSA A 1764 §103§112 Non-Final OA 9d Pending Jul 25, 2023
18268182 POROUS SPHERICAL SILICA AND METHOD OF PRODUCING THE SAME PATEL, SMITA S 1732 §103§112 Non-Final OA — Pending Jun 16, 2023
18037966 POLYCRYSTAL SILICON ROD, POLYCRYSTAL SILICON ROD PRODUCTION METHOD, AND POLYCRYSTAL SILICON THERMAL PROCESSING METHOD SONG, MATTHEW J 1714 §103§112 Final Rejection 60d Pending May 19, 2023
18030904 TUNGSTEN OXIDE AND OXYGEN EVOLUTION REACTION CATALYST FIORITO, JAMES A 1731 §102§103 Non-Final OA — Pending Apr 07, 2023
17920921 METHOD OF MANUFACTURING HALOGEN OXOACID AND MANUFACTURING APPARATUS THEREFOR BAHTA, MEDHANIT W 1692 Other Non-Final OA 6d Pending Oct 24, 2022
17912426 METHOD FOR PRODUCING SURFACE-TREATED SILICA POWDER, RESIN COMPOSITION, AND SLURRY CASE, SARAH CATHERINE 1731 §103 Non-Final OA 16d Pending Sep 16, 2022
17790147 A METHOD FOR PROCESSING WASTED GYPSUM BOARDS AND A FLUIDIZED-BED CALCINING APPARATUS THEREFOR LACLAIR, LOGAN EDWARD 1736 §103 Final Rejection — Pending Jun 30, 2022

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