Prosecution Insights
Last updated: October 02, 2026

Examiner: HON, SOW FUN

Tech Center 4100 • Art Units: 1712 1713 1717 1741 1742 1748 1759 1782 1783 1794

This examiner grants 58% of resolved cases

Analysis

Sow Fun Hon examines patents in Art Unit 1712 within Tech Center 4100. With 784 resolved cases, the examiner maintains an allowance rate of 57.7 percent. This rate suggests a balanced approach to examination where just over half of the applications are granted.

The most striking data point is the interview lift of 64.8 percent. This exceptionally high lift indicates that interviews are highly effective for achieving a positive outcome. The 64.8 percent increase in allowance probability following an interview is a critical strategic consideration for any practitioner appearing before this examiner compared to the 57.7 percent baseline.

The median days to allowance is 1172. This figure outlines the typical timeframe for the 784 resolved cases to reach a grant. When combined with the 57.7 percent allowance rate, this 1172-day pendency helps applicants plan their long-term intellectual property strategies in Tech Center 4100.

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

Performance Statistics

57.7%
Allow Rate
-2.3% vs TC avg
835
Total Applications
+64.8%
Interview Lift
1172
Avg Prosecution Days
Based on 784 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
13.4%
§102 Novelty
59.9%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18166173 LIGHT CONTROL MEMBER AND DISPLAY DEVICE INCLUDING THE SAME Non-Final OA Samsung Display Co., Ltd.
17825529 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
19051851 CHEMICAL LIQUID, MANUFACTURING METHOD OF MODIFIED SUBSTRATE, AND MANUFACTURING METHOD OF LAMINATE Final Rejection FUJIFILM CORPORATION
18339728 LIGHT ABSORPTION ANISOTROPIC FILM, OPTICAL FILM, AND LIQUID CRYSTAL DISPLAY DEVICE Non-Final OA FUJIFILM Corporation
18334882 WAVELENGTH CONVERSION MEMBER, METHOD FOR PRODUCING WAVELENGTH CONVERSION MEMBER, LIGHT EMITTING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE Non-Final OA FUJIFILM Corporation
17752409 LAMINATE, OPTICAL DEVICE, AND DISPLAY DEVICE Final Rejection FUJIFILM Corporation
18146524 WATER-BASED INK, PRINTED RECORDING MEDIUM, AND INK CARTRIDGE Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
18146550 WATER-BASED INK, PRINTED RECORDING MEDIUM, AND INK CARTRIDGE Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
18147496 SUPERSTRATE COMPRISING AN ELECTRICALLY CONDUCTIVE LAYER Final Rejection CANON KABUSHIKI KAISHA
18013156 THREE-DIMENSIONAL PRINTING Final Rejection Hewlett-Packard Development Company, L.P.
18353480 POLARIZING PLATE AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME Final Rejection SAMSUNG SDI CO., LTD.
18250732 ADHESIVE COMPOSITION FOR POLARIZING PLATE, POLARIZING PLATE, AND OPTICAL DISPLAY DEVICE Non-Final OA SAMSUNG SDI CO., LTD.
17295702 POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SAME Non-Final OA Samsung SDI Co., Ltd.
18828234 EFFECT COATING COMPOSITION AND METHOD FOR FORMING MULTILAYER COATING FILM Final Rejection KANSAI PAINT CO., LTD.
18866448 A Composition and a Composite Material Non-Final OA National University of Singapore
18720469 UNDERWATER BONDING WITH A BIOBASED ADHESIVE Non-Final OA Purdue Research Foundation
16341165 THERMOFORMABLE AND SCRATCH-RESISTANT PHOTOPOLYMER COATINGS Non-Final OA ARKEMA FRANCE
17388212 MULTILAYER FILM Non-Final OA Berry Global, Inc.
18276974 NON-BREATHABLE FILMS INCLUDING POLYMER BLENDS AND METHODS FOR MAKING THE SAME Non-Final OA DOW GLOBAL TECHNOLOGIES LLC
17904555 ENGINEERED WOOD ADHESIVES AND ENGINEERED WOOD THEREFROM Non-Final OA CARGILL, INCORPORATED
18272180 COMPOSITION, FILM, LAMINATE, AND DISPLAY DEVICE Non-Final OA Sumitomo Chemical Company, Limited
18272035 METHOD OF MANUFACTURING OPTICAL COMPONENT, APPARATUS OF MANUFACTURING OPTICAL COMPONENT AND OPTICAL COMPONENT Non-Final OA Ushio Denki Kabushiki Kaisha
18546663 CALCIUM SILICATE-BASED HYDRAULIC CEMENT TO FORM A COMPOSITE MATERIAL HAVING REINFORCING PROPERTIES Non-Final OA SEPTODONT OU SEPTODONT SAS ou SPECIALITES SEPTODONT

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