Prosecution Insights
Last updated: August 18, 2026

Examiner: PETKOVSEK, DANIEL

Tech Center 2800 • Art Units: 2828 2874

This examiner grants 84% of resolved cases

Performance Statistics

83.6%
Allow Rate
+15.6% vs TC avg
1,626
Total Applications
+9.7%
Interview Lift
723
Avg Prosecution Days
Based on 1597 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
28.2%
§102 Novelty
45.5%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18414694 OPTICAL ELEMENT ARRAY, OPTICAL SYSTEM INCLUDING THE OPTICAL ELEMENT ARRAY, AND METHOD OF MANUFACTURING THE OPTICAL ELEMENT ARRAY Non-Final OA Samsung Electronics Co., LTD.
18394551 High Density Breakout Panels With Front Access Non-Final OA Google LLC
18176770 TUNABLE REFLECTIVE POLARIZER Final Rejection Meta Platforms Technologies, LLC
18323976 LASER DRIVER MODULE THAT PRODUCES A BEAM OF POLYCHROMATIC DRIVER PULSES USING FEWER PUMP LASERS Non-Final OA University of Rochester
18716487 Optical Device Non-Final OA Nippon Telegraph and Telephone Corporation
18594411 NEAR-INFRARED PULSED LIGHT SOURCE AND TERAHERTZ WAVE GENERATION DEVICE Non-Final OA Mitsubishi Electric Corporation
18309600 High-Power Fully-Integrated Frequency Comb Generation Using Multimode Gain Chips Final Rejection The Trustees of Columbia University in the City of New York
18231529 Nonlinear Bound States in the Continuum for Intensity Squeezing and Generation of Large Photonic Fock States Non-Final OA Massachusetts Institute of Technology
18817946 DEVICES, SYSTEMS, AND METHODS FOR OPTICAL TRANSMITTANCE AND REFLECTION Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18603136 OPTICAL WAVEGUIDE COUPLER Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18596600 PACKAGE STRUCTURE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18415592 SEMICONDUCTOR STRUCTURE, SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18346506 HIGH EFFICIENCY OPTICAL COUPLER Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18765418 OPTICAL MODULATOR Non-Final OA Murata Manufacturing Co., Ltd.
18778281 OPTICAL WAVEGUIDE COMPONENTS POSSESSING HIGH NONLINEAR EFFICIENCY AND ADAPTIVE-PROFILE POLING PROCESS TO FABRICATE THE SAME Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA

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