Prosecution Insights
Last updated: April 19, 2026

Examiner: PATEL, PREET BAKUL

Tech Center 2800 • Art Units: 2874

This examiner grants 20% of resolved cases

Performance Statistics

20.0%
Allow Rate
-48.0% vs TC avg
33
Total Applications
-33.3%
Interview Lift
938
Avg Prosecution Days
Based on 5 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
16.8%
§102 Novelty
55.2%
§103 Obviousness
28.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18394195 OPTICAL FIBER DISTRIBUTION DEVICE, OPTICAL FIBER SCHEDULING METHOD, AND SYSTEM Non-Final OA Huawei Technologies Co., Ltd.
18529322 BILAYER BINARY 2D GRATINGS FOR WAVEGUIDE DISPLAY Non-Final OA Meta Platforms Technologies, LLC
18363030 LASER PROCESSING APPARATUS AND COUPLER Non-Final OA FURUKAWA ELECTRIC CO., LTD.
18054877 OPTICAL POWER SPLITTERS Final Rejection Cisco Technology, Inc.
18149336 Optical Engine Including Fiber Deflection Unit and Method Forming the Same Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
18557335 SYSTEM AND METHOD FOR FABRICATING MULTIPLEXABLE ACTIVE OPTICAL FIBER SENSORS Non-Final OA UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
18413015 ON-CHIP FOURIER TRANSFORM SPECTROMETER BASED ON DOUBLE-LAYER HELICAL WAVEGUIDE Non-Final OA Shanghai Jiao Tong University
18030837 CURVED LIGHTGUIDE AND APPARATUS AND METHODS EMPLOYING A CURVED LIGHTGUIDE Final Rejection University of Rochester
18147323 OPTICAL FIBER CABLE WITH EMBEDDED STRENGTH MEMBERS Non-Final OA Sterlite Technologies Limited
18293089 METHOD AND SEMI-FINISHED PRODUCT FOR FABRICATING MULTICORE FIBERS Non-Final OA Heraeus Quarzglas GmbH & Co. KG
17417365 OPTICAL FIBER DEVICES AND METHODS FOR SUPPRESSING STIMULATED RAMAN SCATTERING (SRS) Non-Final OA nLIGHT, Inc.
18682197 PRE-TERMINATED OPTICAL FIBRE CABLE ASSEMBLY, KITS OF PARTS, METHODS OF MANUFACTURE AND INSTALLATION THEREOF Non-Final OA EMTELLE UK LTD
18553987 OPTICAL WAVEGUIDE, OPTICAL WAVEGUIDE SYSTEM, LIGHT CONFINING STRUCTURES, LIGHT ENERGY STORAGE STRUCTURE, LIGHT ENERGY STORAGE SYSTEM, AND ENERGY STORAGE AND/OR CONVERSION SYSTEM Non-Final OA PERA Complexity B.V.
18148564 WAVEGUIDE AND ELECTROMAGNETIC SPECTROMETER Final Rejection Endress+Hauser Optical Analysis, Inc.

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