Prosecution Insights
Last updated: October 02, 2026

Examiner: LE, UYEN CHAU N

Tech Center 2800 • Art Units: 2874 2887

This examiner grants 22% of resolved cases

Performance Statistics

22.2%
Allow Rate
-45.8% vs TC avg
78
Total Applications
-8.6%
Interview Lift
1152
Avg Prosecution Days
Based on 36 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
29.1%
§102 Novelty
50.3%
§103 Obviousness
17.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17358921 WAVEGUIDE PHOTODETECTORS FOR SILICON PHOTONIC INTEGRATED CIRCUITS Final Rejection Intel Corporation
17946955 SILICON PHOTONIC MULTIPLEXER AND DE-MULTIPLEXER Final Rejection Avago Technologies International Sales Pte. Limited
18017553 Tool and Method for Producing a Lamp Body Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18009214 OPTICAL DEVICE, BASE, AND BASE MANUFACTURING METHOD Final Rejection Sumitomo Electric Industries, Ltd.
18033663 OPTICAL CIRCUIT BOARD AND ELECTRONIC COMPONENT MOUNTING STRUCTURE USING SAME Final Rejection KYOCERA Corporation
18321307 METHODS OF FERRULE RESHAPING FOR DIRECT LOCKING OPTICAL FIBERS AND CORRECTING CORE-TO-FERRULE ECCENTRICITY ERRORS Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18653708 TSV-ENABLED HYBRID SILICON PHOTONICS-ON-GLASS PACKAGE Non-Final OA Cisco Technology, Inc.
18731752 OPTICAL FIBER COUPLING STRUCTURE FOR PHOTONIC PACKAGE Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18610011 HYBRID NANOPHOTONIC WAVEGUIDES FOR ENHANCED SECOND ORDER NONLINEAR CONVERSION EFFICIENCY Final Rejection Honeywell International Inc.
18655921 PHOTONIC DEVICE WITH EXTENDED METAL LAYER AND METHODS Non-Final OA II-VI Delaware, Inc.
18518311 Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using Same Non-Final OA SUMITOMO OSAKA CEMENT CO., LTD.
18154065 OPTICAL PHASE SHIFTER HAVING L-SHAPED PN JUNCTION AND MANUFACTURING METHOD THEREFOR Non-Final OA INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
18734580 METHOD FOR SPLICING OPTICAL ELEMENTS, OPTICAL ELEMENT AND HEAD-MOUNTED DISPLAY DEVICE Non-Final OA GENERAL INTERFACE SOLUTION LIMITED
18318526 OPTICAL COUPLER, OPTICAL COUPLING ASSEMBLY, AND TRANSCEIVER Non-Final OA INNOLUME GMBH

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