Prosecution Insights
Last updated: April 19, 2026

Examiner: CHANG, CHARLES S

Tech Center 2800 • Art Units: 1763 2871 2881 2883

This examiner grants 78% of resolved cases

Performance Statistics

78.1%
Allow Rate
+10.1% vs TC avg
1031
Total Applications
+17.8%
Interview Lift
987
Avg Prosecution Days
Based on 1012 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
33.0%
§102 Novelty
62.6%
§103 Obviousness
1.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18263226 BACKLIGHTS INCLUDING PATTERNED DIFFUSERS AND WAVELENGTH SELECTIVE REFLECTORS Non-Final OA CORNING INCORPORATED
18691130 Optical Apparatus, Modules and Devices Non-Final OA Nokia Technologies Oy
18177563 POLARIZING PLATE AND ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE Final Rejection FUJIFILM Corporation
18791159 OPTICAL SYSTEMS WITH ADAPTABLE VIEWING ANGLE CONTROL Non-Final OA COGNEX CORPORATION
18424316 OPTICAL SYSTEMS WITH IMPROVED ADAPTABLE VIEWING ANGLE CONTROL Non-Final OA COGNEX CORPORATION
18435407 Display Systems With Component Mounting Structures Non-Final OA Apple Inc.
18313519 BROADENED SPECTRUM LASER DIODE FOR DISPLAY DEVICE Non-Final OA Microsoft Technology Licensing, LLC
18171944 GEOMETRICAL WAVEGUIDE WITH PARTIAL-COVERAGE BEAM SPLITTERS Final Rejection Meta Platforms Technologies, LLC
18623479 IMAGING LENS SYSTEM Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.
18374314 METALENS ARRAY AND DISPLAY DEVICE HAVING SAME Final Rejection Chiun Mai Communication Systems, Inc.
18627999 OPTICAL ELEMENT DRIVING MECHANISM Non-Final OA TDK TAIWAN CORP.
18274554 LIGHT DIFFRACTIVE ELEMENT, LIGHT COMPUTING DEVICE, AND METHOD FOR PRODUCING LIGHT DIFFRACTIVE ELEMENT Non-Final OA FUJIKURA LTD.
18508114 TWO-DIMENSIONAL INDIVIDUALLY ADDRESSABLE ELECTROWETTING MICRO-LENS ARRAY Final Rejection The Regents of the University of Colorado, a body corporate
18623164 COUPLE-IN LENS ASSEMBLY Non-Final OA National Central University
18699236 VEHICLE MIRROR LOCKING AND RELEASE ASSEMBLY Non-Final OA Michael Ferman
18624068 OPTICAL LENS Non-Final OA Taiwan ZMAX Optech Co., Ltd.

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