Prosecution Insights
Last updated: October 02, 2026

Examiner: WONG, TINA MEI SENG

Tech Center 2800 • Art Units: 2855 2871 2874

This examiner grants 84% of resolved cases

Analysis

Tina Mei Seng Wong has resolved 1106 cases in Art Unit 2855. Her allowance rate of 84.3 percent reflects a high frequency of successful outcomes for applicants in Tech Center 2800. The median time to reach an allowance is 838 days, which serves as a benchmark for planning prosecution cycles. This 838-day figure helps practitioners set realistic expectations for their clients.

An interview lift of 14.4 percent suggests that verbal communication provides a meaningful advantage. While the 84.3 percent allowance rate is already strong, the lift indicates that interviews can help resolve specific sticking points. Practitioners should consider an interview to leverage the 14.4 percent boost and ensure the application stays on track toward a grant within the 838-day median timeframe.

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

Performance Statistics

84.3%
Allow Rate
+16.3% vs TC avg
1,135
Total Applications
+14.4%
Interview Lift
838
Avg Prosecution Days
Based on 1106 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
19.9%
§102 Novelty
68.1%
§103 Obviousness
3.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18690363 OPTICAL MODULE AND OPTICAL MODULE MANUFACTURING METHOD Final Rejection NEC Corporation
18443038 OPTICAL FIBER BOARD AND METHOD FOR MANUFACTURING OPTICAL FIBER BOARD Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18529785 CONNECTOR, ADAPTER, CONNECTOR ASSEMBLY, AND COMMUNICATIONS DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18700850 CURVED SEE-THROUGH LIGHTGUIDE WITH INTERMEDIATE FOCUS Non-Final OA GOOGLE LLC
18631617 ALIGNMENT STRUCTURE AND METHOD FOR COPACKAGED OPTICAL CONNECTOR Non-Final OA Avago Technologies International Sales Pte. Limited
18685078 Optical Multiplex/Demultiplex Circuit and RGB Coupler Final Rejection NTT, Inc.
18819041 EXTERNAL FIBER FOR OPTICAL FIBER DELIVERY IN OPTHALMIC SURGICAL DEVICES Non-Final OA Alcon Inc.
18401296 DISPLAY SYSTEMS INCLUDING PHOTONIC INTEGRATED CIRCUITS Final Rejection Meta Platforms Technologies, LLC
18409993 HYDROGEN SENSING WITH THERMAL COMPENSATION Non-Final OA Baker Hughes Oilfield Operations LLC
18849103 OPTICAL MODULATION ELEMENT Non-Final OA TDK CORPORATION
18538614 OPTICAL DEVICES CONFIGURED TO CONTROL A SPACING AND/OR PRESSURE BETWEEN AN OPTICAL ELEMENT AND A SHIFTER AND RELATED METHODS Final Rejection The Government of the United States of America, as represented by the Secretary of the Navy
18729508 OPTICAL MODULE Non-Final OA INNOLIGHT TECHNOLOGY (SUZHOU) LTD.
18604344 ELECTRO-OPTICAL MODULATOR Non-Final OA TECHNISCHE UNIVERSITEIT EINDHOVEN
18288080 OPTICAL MULTIPLEXER Non-Final OA SEIREN KST Corp.
18699945 PHOTODETECTOR Non-Final OA WUHAN OPTICAL VALLEY INFORMATION OPTOELECTRONICS INNOVATION CENTER CO., LTD.

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