Prosecution Insights
Last updated: October 02, 2026

Zeon Corporation

Technology area: Chemistry & Materials

54 pending office actions • 23 art units • 47 examiners • 0 of 54 (0%) have an AI response strategy ready • 64 patents granted in the last 365 days

Analysis

Zeon Corporation manages a substantial patent portfolio within the Chemistry & Materials technology area, currently featuring 51 pending office actions. This significant workload is distributed across 46 distinct examiners, suggesting a broad range of active applications. These applications are further spread across 23 distinct art units, indicating a diverse set of technical sub-specialties within the Chemistry & Materials field. The presence of 23 distinct art units suggests that Zeon Corporation's innovations span various technical classifications.

The busiest examiner for the company is HAI VO, who is currently managing 4 pending office actions. While HAI VO holds the highest individual workload, these 4 actions represent a small fraction of the total 51 pending office actions. This distribution across 46 distinct examiners highlights a decentralized prosecution environment where no single examiner controls a dominant portion of the portfolio. With 46 distinct examiners involved, the company's prosecution outcomes are not heavily dependent on any single individual.

Managing this volume of pending office actions across 23 distinct art units requires a robust coordination strategy. The diversity in examiners and art units likely results in a variety of examination styles and timelines for the company to navigate. Practitioners should be prepared for different procedural requirements across the 23 distinct art units. This profile reflects a large and technically varied set of active patent applications in the Chemistry & Materials area.

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

Portfolio Summary

54
Total Pending OAs
35
Non-Final OAs
18
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 12 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

7
Overdue
0
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. 12 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (7)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.

19
Hard (35%)
34
Medium (63%)
1
Easy (2%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only30 (56%)
§102 only3 (6%)
§112 only1 (2%)
Double-patenting + other1 (2%)
Multi-statute (no §101)19 (35%)

Industry Mix

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

29
Life Sciences
54% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
2% of docket
2
Mechanical / Eng
4% of docket
22
Business / Other
41% 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.

540 h
Manual time on pending OAs
108 h
Time saved (low, 20%)
189 h
Time saved (mid, 35%)
4.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VO, HAI 4 57.1% +72.4%
LEE, RIP A 2 83.5% -4.2%
YANCHUK, STEPHEN J 2 50.5% +39.8%
KLINE, SYDNEY LYNN 2 71.4% +26.7%
ILLING, CAITLIN NORINE 2 48.9% +37.7%
AHMED, SHEEBA 1 80.7% +14.4%
FERRE, ALEXANDRE F 1 59.0% +20.1%
SHAH, SAMIR 1 36.4% +34.9%
EVANS, BOONE ALEXANDER 1 66.0% +23.3%
LE, HOA T 1 72.7% +12.2%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
19103617 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE AHMED, SHEEBA —
18690740 CARBON DIOXIDE ABSORBER LEE, RIP A —
17759298 PRESSURE-SENSITIVE ADHESIVE COMPOSITION LEE, RIP A —

Hard Cases (19)

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
18685230 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 24d overdue
18275239 METHOD FOR PRODUCING MOLDED BODY WU, ANDREA 2d overdue
18260335 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE JACOBSON, SARAH JORDAN 12d
18027475 RESIN COMPOSITION LENIHAN, JEFFREY S 19d
19103605 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE FERRE, ALEXANDRE F —
18849661 TONER EVANS, BOONE ALEXANDER —
18702331 COMPOSITE PARTICLES AND METHOD OF PRODUCING SAME, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE STANLEY, JACOB ROBERT —
18701251 SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY RUTHKOSKY, MARK —

Interview Candidates (15)

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
18685230 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 24d overdue
18260319 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE KLINE, SYDNEY LYNN 17d overdue
18017235 FILM MOLDED BODY ILLING, CAITLIN NORINE 12d
18713660 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 54d
19103617 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE AHMED, SHEEBA —
19103605 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE FERRE, ALEXANDRE F —
18863010 HOLLOW PARTICLES, RESIN COMPOSITION, RESIN MOLDED BODY, ENCAPSULATING RESIN COMPOSITION, CURED PRODUCT AND SEMICONDUCTOR DEVICE SHAH, SAMIR —
18849661 TONER EVANS, BOONE ALEXANDER —

Top Art Units

Art UnitApps
1788 5
1787 2
1764 2
1763 2
1729 2
1767 2
3763 1
1781 1
1732 1
1752 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19103617 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE AHMED, SHEEBA — §103 Non-Final OA — Pending Feb 13, 2025
19103605 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE FERRE, ALEXANDRE F — §102§103§112 Non-Final OA — Pending Feb 13, 2025
18863010 HOLLOW PARTICLES, RESIN COMPOSITION, RESIN MOLDED BODY, ENCAPSULATING RESIN COMPOSITION, CURED PRODUCT AND SEMICONDUCTOR DEVICE SHAH, SAMIR 1787 §102 Non-Final OA — Pending Nov 05, 2024
18849661 TONER EVANS, BOONE ALEXANDER — §102§103§112 Non-Final OA — Pending Sep 23, 2024
18837614 HOLLOW PARTICLES, RESIN COMPOSITION, AND RESIN MOLDED BODY LE, HOA T 1788 §103 Non-Final OA — Pending Aug 12, 2024
18716931 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR NON-AQUEOUS SECONDARY BATTERY, NON-AQUEOUS SECONDARY BATTERY MEMBER, AND NON-AQUEOUS SECONDARY BATTERY KYLE, MADISON LEIGH — §103 Non-Final OA — Pending Jun 06, 2024
18716138 PLASTICIZER COMPOSITION, RESIN COMPOSITION, RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 1788 §103 Non-Final OA — Pending Jun 04, 2024
18713660 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 1788 §103 Non-Final OA 54d Pending May 27, 2024
18712701 BINDER COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, SLURRY COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, FUNCTIONAL LAYER FOR ALL-SOLID-STATE SECONDARY BATTERY, AND ALL-SOLID-STATE SECONDARY BATTERY GUPTA, SARIKA — §102 Non-Final OA — Pending May 23, 2024
18706383 HEAT CONDUCTIVE SHEET WALKER, AJA ARYANNA 3763 §103 Non-Final OA — Pending May 01, 2024
18702329 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY HOLBROOK, MIA KEILANI — §103 Non-Final OA — Pending Apr 18, 2024
18702331 COMPOSITE PARTICLES AND METHOD OF PRODUCING SAME, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE STANLEY, JACOB ROBERT — §103§112 Non-Final OA — Pending Apr 18, 2024
18701251 SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY RUTHKOSKY, MARK — §102§112 Non-Final OA — Pending Apr 15, 2024
18697483 RESIN COMPOSITION AND OPTICAL ELEMENT USELDING, JOHN E — §103§112 Non-Final OA — Pending Apr 01, 2024
18696358 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY ORDUNA, TAMARA — §103 Non-Final OA — Pending Mar 28, 2024
18690740 CARBON DIOXIDE ABSORBER LEE, RIP A — §102 Non-Final OA — Pending Mar 11, 2024
18689862 LAMINATE AND METHOD FOR MANUFACTURING SAME GAITONDE, MEGHA MEHTA 1781 §103 Final Rejection 14d Pending Mar 07, 2024
18687296 COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR NON-AQUEOUS SECONDARY BATTERY, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY RICKMAN, HOLLY C — §102§103 Non-Final OA — Pending Feb 28, 2024
18687297 FLAME RETARDANT THERMOPLASTIC RESIN COMPOSITION, SHAPED PRODUCT, AND STRETCHED FILM TESKIN, FRED M — §102§103 Non-Final OA — Pending Feb 28, 2024
18685230 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 1788 §103§112 Non-Final OA 24d overdue Pending Feb 21, 2024
18684835 COMPOSITE PARTICLES, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE HORNSBY, BARTHOLOMEW ANDREW — §103§112 Non-Final OA — Pending Feb 20, 2024
18684688 METHODS OF PRODUCING COMPOSITE PARTICLES AND ELECTRODE FOR ELECTROCHEMICAL DEVICE ORTIZ, ARYANA YASMINE — §103 Non-Final OA — Pending Feb 19, 2024
18683626 LATEX COMPOSITION AND DIP-MOLDED BODY BUTCHER, ROBERT T — §103 Non-Final OA — Pending Feb 14, 2024
18683247 PHOTOSENSITIVE COMPOSITION FOR PATTERN FORMATION, AND FLEXOGRAPHIC PLATE ANGEBRANNDT, MARTIN J — §102§103 Non-Final OA — Pending Feb 13, 2024
18682437 SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ADHESIVE LAYER, ADHESIVE LAYER FOR NON-AQUEOUS SECONDARY BATTERY AND METHOD OF PRODUCING SAME, MEMBER FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY RAYMOND, BRITTANY L — §102§103 Non-Final OA — Pending Feb 09, 2024
18292027 POSITIVE RESIST COMPOSITION FRASER, STEWART A — §102§103 Non-Final OA — Pending Jan 25, 2024
18578409 SLURRY COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, SOLID ELECTROLYTE-CONTAINING LAYER, AND ALL-SOLID-STATE SECONDARY BATTERY YANCHUK, STEPHEN J — §103 Non-Final OA — Pending Jan 11, 2024
18577699 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY KNOWLAN, KEVIN MICHAEL — §103 Non-Final OA — Pending Jan 09, 2024
18565675 VINYL CHLORIDE RESIN COMPOSITION FOR POWDER MOLDING, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE VO, HAI 1788 §103 Final Rejection — Pending Nov 30, 2023
18561370 NITRILE GROUP-CONTAINING COPOLYMER RUBBER, RUBBER COMPOSITION AND CROSSLINKED RUBBER KAUCHER, MARK S — §102§103 Final Rejection — Pending Nov 16, 2023
18560405 RESIN COMPOSITION AND OPTICAL ELEMENT ROSWELL, JESSICA MARIE 1732 §103 Non-Final OA — Pending Nov 13, 2023
18554033 COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ADHESIVE LAYER, ADHESIVE LAYER FOR NON-AQUEOUS SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME, LAMINATE FOR NON-AQUEOUS SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME, AND NON-AQUEOUS SECONDARY BATTERY YANCHUK, STEPHEN J 1752 §103 Non-Final OA — Pending Oct 05, 2023
18547924 VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE WALTERS JR, ROBERT S 1717 §103 Non-Final OA — Pending Aug 25, 2023
18546429 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE ESSEX, STEPHAN J 1727 §103 Final Rejection 3d overdue Pending Aug 15, 2023
18276745 HOLLOW PARTICLES KRYLOVA, IRINA 1764 §103DP Final Rejection — Pending Aug 10, 2023
18275239 METHOD FOR PRODUCING MOLDED BODY WU, ANDREA 1763 §103§112 Final Rejection 2d overdue Pending Aug 01, 2023
18260335 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE JACOBSON, SARAH JORDAN 1785 §103§112 Final Rejection 12d Pending Jul 05, 2023
18260319 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE KLINE, SYDNEY LYNN 1729 §103 Final Rejection 17d overdue Pending Jul 04, 2023
18260248 METHOD OF REUSING RESIN SHAPED PRODUCT RIETH, STEPHEN EDWARD 1759 §103 Final Rejection 16d overdue Pending Jul 03, 2023
18253391 BINDER FOR SECONDARY BATTERY FUNCTIONAL LAYER, SLURRY COMPOSITION FOR SECONDARY BATTERY FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR SECONDARY BATTERY, AND SECONDARY BATTERY LIANG, JACKIE 1726 §103 Final Rejection 31d overdue Pending May 18, 2023
18253039 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY APICELLA, KARIE O 1725 §103 Non-Final OA — Pending May 16, 2023
18252885 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY KLINE, SYDNEY LYNN 1729 §103 Final Rejection — Pending May 15, 2023
18248188 MICROFLUIDIC DEVICE AND METHOD FOR USING MICROFLUIDIC DEVICE HERON, VELVET ELIZABETH 1798 §102§103 Final Rejection — Pending Apr 06, 2023
18027475 RESIN COMPOSITION LENIHAN, JEFFREY S 1765 §103§112 Final Rejection 19d Pending Mar 21, 2023
18027473 HOLLOW PARTICLES FOSS, DAVID ROGER 1764 §103§112 Non-Final OA — Pending Mar 21, 2023
18017235 FILM MOLDED BODY ILLING, CAITLIN NORINE 1767 §103 Final Rejection 12d Pending Jan 20, 2023
17997145 ASSEMBLY AND METHOD FOR MANUFACTURING SAME SHUKLA, KRUPA 1787 §103§112 Non-Final OA — Pending Oct 26, 2022
17914656 CONJUGATED-DIENE-BASED POLYMER, COMPOSITION OF CONJUGATED-DIENE-BASED POLYMER, CROSSLINKED RUBBER OBJECT, AND TIRE ILLING, CAITLIN NORINE 1767 §103 Final Rejection — Pending Sep 26, 2022
17759298 PRESSURE-SENSITIVE ADHESIVE COMPOSITION LEE, RIP A 1763 §103 Final Rejection — Pending Jul 22, 2022
17759120 BINDER PARTICLES FOR ALL-SOLID-STATE BATTERY, COMPOSITION FOR ALL-SOLID-STATE BATTERY, FUNCTIONAL LAYER FOR ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY CHOI, EVERETT TIMOTHY 1751 §103 Final Rejection 2d overdue Pending Jul 20, 2022
17759039 PHOTOELECTRIC CONVERSION ELEMENT AND METHOD OF PRODUCING SAME RAHIM, NILUFA 2893 §103 Non-Final OA — Pending Jul 19, 2022
17756976 BINDER COMPOSITION FOR SECONDARY BATTERY, SLURRY COMPOSITION FOR SECONDARY BATTERY, SOLID ELECTROLYTE-CONTAINING LAYER, ALL-SOLID-STATE SECONDARY BATTERY, AND METHOD OF PRODUCING ALL-SOLID-STATE SECONDARY BATTERY WEST, ROBERT GENE 1721 §103 Final Rejection — Pending Jun 07, 2022
17754960 FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING THE SAME, SEPARATOR WITH FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING THE SAME WALKE, AMANDA C 1722 §112 Non-Final OA — Pending Apr 18, 2022
17048061 MOVABLE CATHETER TRINH, HONG-VAN N 3783 §103 Non-Final OA — Pending Oct 15, 2020

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