Prosecution Insights
Last updated: October 27, 2026

Tina Mei Seng Wong, USPTO Patent Examiner

Listed by the USPTO as WONG, TINA MEI SENG

Tech Center 2800 • Art Units: 2855 2871 2874

This examiner grants 84% of resolved cases

Analysis

WONG, TINA MEI SENG is a USPTO patent examiner in tech center 2800 and art unit 2855. The record includes 1110 resolved cases, an allowance rate of 84.2%, and a median of 839 days to allowance. The interview lift of 14.5% shows a positive but limited association with allowance.

The principal companies are Huawei Technologies Co., Ltd., Fujikura Ltd., and Google LLC. The leading firms are EIP US LLP, GATES & COOPER LLP (General), and Greenberg Traurig, LLP - Meta Platforms, Inc. The substantial record supports using the profile as a useful planning reference. Counsel may favor efficient interviews for clarification while concentrating on claim precision and written responses, with the median timeline informing prosecution scheduling.

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

Performance Statistics

84.2%
Allow Rate
+16.2% vs TC avg
1,142
Total Applications
+14.5%
Interview Lift
839
Avg Prosecution Days
Based on 1110 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
20.3%
§102 Novelty
67.7%
§103 Obviousness
3.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18700850 CURVED SEE-THROUGH LIGHTGUIDE WITH INTERMEDIATE FOCUS Non-Final OA GOOGLE LLC
18690363 OPTICAL MODULE AND OPTICAL MODULE MANUFACTURING METHOD Final Rejection NEC Corporation
18443038 OPTICAL FIBER BOARD AND METHOD FOR MANUFACTURING OPTICAL FIBER BOARD Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18529785 CONNECTOR, ADAPTER, CONNECTOR ASSEMBLY, AND COMMUNICATIONS DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
17559858 INTEGRATED OPTICAL PACKAGE Non-Final OA Intel Corporation
18849103 OPTICAL MODULATION ELEMENT Non-Final OA TDK CORPORATION
18685078 Optical Multiplex/Demultiplex Circuit and RGB Coupler Final Rejection NTT, Inc.
17911735 GLASS SHEET Final Rejection Nippon Electric Glass Co., Ltd.
18470945 ALL-INTEGRATED COMPLEX SIGNAL GENERATION AND PROCESSING Final Rejection California Institute of Technology
18401296 DISPLAY SYSTEMS INCLUDING PHOTONIC INTEGRATED CIRCUITS Final Rejection Meta Platforms Technologies, LLC
18776367 LOW POWER PHOTONIC RESONATORS Final Rejection Mellanox Technologies, Ltd.
18579187 PANEL SYSTEMS WITH SLIDABLE CASSETTES Final Rejection CommScope Technologies LLC
18834333 POLARIZATION-MAINTAINING FIBER Non-Final OA FUJIKURA LTD.
18689244 OPTICAL CONNECTION STRUCTURE Final Rejection Fujikura Ltd.

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Frequently Asked Questions

What is examiner Tina Mei Seng Wong's allowance rate?

84.2% of resolved applications examined by Tina Mei Seng Wong were allowed (1,110 resolved cases), compared with 76.8% across Art Unit 2855 over the last five years.

Does an interview help with examiner Tina Mei Seng Wong?

This examiner's interview lift is +14.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tina Mei Seng Wong take to allow a patent?

Applications allowed by Tina Mei Seng Wong took 839 days on average from filing to allowance.

Which art unit does examiner Tina Mei Seng Wong work in?

Tina Mei Seng Wong examines applications in Art Unit 2855 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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