Prosecution Insights
Last updated: October 27, 2026

Sow Fun Hon, USPTO Patent Examiner

Listed by the USPTO as 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

HON, SOW FUN is assigned to Tech Center 4100 and Art Unit 1712. The profile records 787 resolved cases, a 57.6% allowance rate, and a median of 1173 days to allowance. The 64.9% interview lift indicates a substantially higher allowance outcome for cases involving interviews in the recorded data.

Fujifilm Corporation, Samsung Display Co., Ltd., and Brother Kogyo Kabushiki Kaisha are the listed companies. The listed firms are Edwards Neils LLC, Element IP, PLC, and Ricky Lam - Way Insight. The allowance rate calls for careful claim and amendment planning, while the interview measure makes a prepared examiner discussion especially relevant. Practitioners should use interviews to test a concrete prosecution position and document any agreed or disputed points afterward.

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

Performance Statistics

57.6%
Allow Rate
-2.4% vs TC avg
837
Total Applications
+64.9%
Interview Lift
1173
Avg Prosecution Days
Based on 787 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
13.6%
§102 Novelty
59.8%
§103 Obviousness
22.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18146550 WATER-BASED INK, PRINTED RECORDING MEDIUM, AND INK CARTRIDGE Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
18146524 WATER-BASED INK, PRINTED RECORDING MEDIUM, AND INK CARTRIDGE Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
19051851 CHEMICAL LIQUID, MANUFACTURING METHOD OF MODIFIED SUBSTRATE, AND MANUFACTURING METHOD OF LAMINATE 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
18147496 SUPERSTRATE COMPRISING AN ELECTRICALLY CONDUCTIVE LAYER Final Rejection CANON KABUSHIKI KAISHA
18532844 Polarizing Plate and Display Apparatus Comprising the Same Non-Final OA LG Display Co., Ltd.
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.
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.
18720469 UNDERWATER BONDING WITH A BIOBASED ADHESIVE Non-Final OA Purdue Research Foundation
17388212 MULTILAYER FILM Non-Final OA Berry Global, Inc.

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Frequently Asked Questions

What is examiner Sow Fun Hon's allowance rate?

57.6% of resolved applications examined by Sow Fun Hon were allowed (787 resolved cases), compared with 43.3% across Art Unit 1712 over the last five years.

Does an interview help with examiner Sow Fun Hon?

This examiner's interview lift is +64.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sow Fun Hon take to allow a patent?

Applications allowed by Sow Fun Hon took 1,173 days on average from filing to allowance.

Which art unit does examiner Sow Fun Hon work in?

Sow Fun Hon examines applications in Art Unit 1712 in Tech Center 4100.

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