Prosecution Insights
Last updated: May 29, 2026

Examiner: THOMASON, DARBY MARGARET

Tech Center 2800 • Art Units: 2874

This examiner grants 78% of resolved cases

Performance Statistics

78.3%
Allow Rate
+10.3% vs TC avg
43
Total Applications
+29.4%
Interview Lift
1000
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
13.6%
§102 Novelty
81.8%
§103 Obviousness
4.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18000657 BRAGG GRATING EROSION SENSOR FOR HARSH ENVIRONMENT Non-Final OA COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18467009 OPTICAL MODULE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18143566 EXTENDABLE OPTICAL CIRCUIT SWITCH ARCHITECTURE Non-Final OA Nokia Solutions and Networks Oy
18692978 OPTICAL DEVICE INCLUDING A FIBER ALIGNMENT STRUCTURE Final Rejection PSIQUANTUM CORP.
18207063 BACKLIGHT, MULTIVIEW BACKLIGHT, AND METHOD HAVING GLOBAL MODE MIXER Non-Final OA LEIA INC.
18076819 HETEROGENEOUSLY INTEGRATED SENSOR Final Rejection Nexus Photonics, Inc.
18129769 SEMICONDUCTOR PACKAGE AND METHOD FOR MANUFACTURING THE SAME Final Rejection Advanced Semiconductor Engineering, Inc.
18205332 FURCATION TUBE VACUUM ASSIST Non-Final OA viaPhoton, Inc.
18248426 TRAY FOR FUSION SPLICING WORK AND FUSION SPLICER SET Non-Final OA Sumitomo Electric Optifrontier Co., Ltd.
18165998 AERIAL DROP OPTICAL FIBRE CABLE Non-Final OA Sterlite Technologies Limited

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