Prosecution Insights
Last updated: October 02, 2026

Examiner: CAI, WENWEN

Tech Center 1700 • Art Units: 1743 1748 1759 1763

This examiner grants 60% of resolved cases

Analysis

Wenwen Cai is an examiner in Tech Center 1700 and Art Unit 1743. She has a high volume of 878 resolved cases. Her allowance rate is 59.8 percent. This 59.8 percent rate indicates the frequency with which applications result in a patent grant under her supervision in Art Unit 1743.

The interview lift for this examiner is 19.4 percent. This 19.4 percent lift suggests that interviews are a productive way to advance prosecution and increase the chances of a grant. For the 878 resolved cases, practitioners should consider the 19.4 percent lift as a tool for resolving rejections and moving the case toward a final grant.

The median days to allowance is 1163. This 1163 day figure represents the typical timeframe for an application to reach a successful conclusion. The 1163 day median indicates the pace of prosecution in Tech Center 1700. Applicants can use the 59.8 percent allowance rate and the 1163 day median to manage their patent portfolios effectively.

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

Performance Statistics

59.8%
Allow Rate
-5.2% vs TC avg
938
Total Applications
+19.4%
Interview Lift
1163
Avg Prosecution Days
Based on 878 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
17.2%
§102 Novelty
45.1%
§103 Obviousness
28.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18050371 QUANTUM DOT-CONTAINING POLYMERIZABLE COMPOSITION, CURED PRODUCT, WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE Final Rejection FUJIFILM Corporation
18682376 POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE INCLUDING THE SAME Non-Final OA LG CHEM, LTD.
17798465 LIGHT STABILIZER MIXTURE Non-Final OA BASF SE
18225349 CYANOACRYLATE COMPOSITIONS Non-Final OA Henkel AG & Co. KGaA
18033950 CURABLE COMPOSITION AND SEALANT Final Rejection KURARAY CO., LTD.
18426404 REHEALABLE AND REWORKABLE ELECTRONIC PACKAGING MATERIALS Non-Final OA International Business Machines Corporation
18294588 Polycarbonate Compositions Having a High CTI Non-Final OA Covestro Deutschland AG
18485454 AUTONOMOUS SELF-HEALABLE AND MECHANICALLY ROBUST HYDROGEL AND TRIBOELECTRIC NANOGENERATOR COMPRISING THE SAME Non-Final OA City University of Hong Kong
18399943 CURABLE COMPOSITION, CURED PRODUCT, ADHESIVE, AND SEALING MATERIAL Non-Final OA AGC Inc.
18062617 POWDER COATING MATERIAL COMPOSITION AND LAMINATE Final Rejection AGC INC.
18572066 USE OF MULTIBLOCK COPOLYMERS AS SACRIFICIAL MATERIAL IN A 3D PRINTING PROCESS Non-Final OA Arkema France
18032844 ACTINICALLY CURABLE COMPOSITIONS FOR ABLATIVE CARBON-BONDED COMPOSITES AND ADDITIVE MANUFACTURING METHOD USING SUCH COMPOSITIONS Non-Final OA Arkema France
18415760 RESIN COMPOSITION, RESIN SHEET, MULTILAYER BODY, SHEET CURED PRODUCT, AND CIRCUIT BOARD MATERIAL Non-Final OA Mitsubishi Chemical Corporation
18528627 Methyl Methacrylate-Containing Composition, Storage Method for Methyl Methacrylate-Containing Composition, and Production Method for Methyl Methacrylate Polymer Non-Final OA Mitsubishi Chemical Corporation
17988095 ETHYLENE-VINYL ALCOHOL COPOLYMER RESIN COMPOSITION, MULTILAYER STRUCTURE, AND PACKAGE Non-Final OA MITSUBISHI CHEMICAL CORPORATION
18430964 WATER-DISPERSED PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET FOR RE-PEELING Non-Final OA NITTO DENKO CORPORATION
18577915 CURABLE RESIN COMPOSITION AND CURED PRODUCT Non-Final OA DIC CORPORATION
18563712 THERMALLY CONDUCTIVE RESIN COMPOSITION AND CURED PRODUCT Non-Final OA THREEBOND CO., LTD.
18642109 FIBER REINFORCED POLYPROPYLENE COMPOSITE Non-Final OA BOREALIS AG
16751592 POLYOLEFIN COMPOSITION FOR ENHANCED LASER PRINTING Non-Final OA BOREALIS AG
18551657 Water-based Polymeric Colorant Inks for Cellulosic Substrates Non-Final OA Sun Chemical Corporation
17473456 WOOD STAINS AND PENETRATION PRIMERS COMPRISING LOW VOC LEVEL AQUEOUS DISPERSIONS Non-Final OA Celanese International Corporation

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