Prosecution Insights
Last updated: October 27, 2026

Ekaterina Thomasa Birch, USPTO Patent Examiner

Listed by the USPTO as BIRCH, EKATERINA THOMASA

Tech Center 2800 • Art Units: 2818

This examiner grants 0% of resolved cases

Performance Statistics

—
Allow Rate
-68.0% vs TC avg
21
Total Applications
—
Interview Lift
0
Avg Prosecution Days
Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
23.7%
§102 Novelty
49.2%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18771036 SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18512135 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18510973 CAPACITOR AND SEMICONDUCTOR DEVICE INCLUDING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18508757 SEMICONDUCTOR DEVICE AND ELECTRONIC SYSTEM INCLUDING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18507617 SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18764544 DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18643690 DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18703679 DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE Final Rejection BOE TECHNOLOGY GROUP CO., LTD.
18701887 DISPLAY SUBSTRATE, DISPLAY APPARATUS AND METHOD FOR MANUFACTURING DISPLAY SUBSTRATE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18698003 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS Final Rejection BOE Technology Group Co., Ltd.
18510582 SEMICONDUCTOR DEVICE, POWER CONVERSION APPARATUS, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA Mitsubishi Electric Corporation
18708210 OPTOELECTRONIC SEMICONDUCTOR CHIP AND DISINFECTION DEVICE Non-Final OA ams-OSRAM International GmbH
18753144 BOTTOM-UP GAP FILL PROCESSES FOR SEMICONDUCTOR SUBSTRATES Non-Final OA Applied Materials Inc.
18895406 OPTICAL DEVICE Non-Final OA TONG HSING ELECTRONIC INDUSTRIES, LTD.

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Frequently Asked Questions

Which art unit does examiner Ekaterina Thomasa Birch work in?

Ekaterina Thomasa Birch examines applications in Art Unit 2818 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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