Prosecution Insights
Last updated: October 26, 2026

Erika Heera Son, USPTO Patent Examiner

Listed by the USPTO as SON, ERIKA HEERA

Tech Center 2800 • Art Units: 2893

This examiner grants 64% of resolved cases

Analysis

SON, ERIKA HEERA works in Tech Center 2800 and Art Unit 2893. The profile records 31 resolved cases, a 64.5% allowance rate, and a median of 1396 days to allowance. Interview lift is 2.7%, showing only a limited measured association between interviews and allowance outcomes in the available record.

Samsung Electronics Co., Ltd., Taiwan Semiconductor Manufacturing Company, Ltd., and Fuji Electric Co., Ltd. are the listed companies. Birch Stewart Kolasch & Birch, LLP, Eschweiler & Potashnik, LLC (TSMC), and Fish & Richardson P.C. (TC) are the listed firms. The small case record and extended timing support cautious expectations and application-specific preparation.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

64.5%
Allow Rate
-3.5% vs TC avg
63
Total Applications
+2.7%
Interview Lift
1396
Avg Prosecution Days
Based on 31 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
19.5%
§102 Novelty
56.7%
§103 Obviousness
22.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18646858 SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18635282 SEMICONDUCTOR DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18509736 SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18378170 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18062713 SEMICONDUCTOR DEVICES Non-Final OA Samsung Electronics Co., Ltd.
17746889 SEMICONDUCTOR MODULE AND METHOD FOR MANUFACTURING SEMICONDUCTOR MODULE Non-Final OA FUJI ELECTRIC CO., LTD.
18176931 Methods of Forming Bent Display Panels Non-Final OA Apple Inc.
17790577 ARRAY SUBSTRATE AND DISPLAY DEVICE Final Rejection BOE TECHNOLOGY GROUP CO., LTD.
18154986 Magnetic Memory Device Based on Perpendicular Exchange Bias and Method of Manufacturing Magnetic Memory Device Non-Final OA Korea Advanced Institute of Science and Technology
18825580 CIRCUIT FOR HIGH VOLTAGE IN SEMICONDUCTOR DEVICES Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18073739 SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME Non-Final OA SK hynix Inc.
18185232 STRUCTURE AND FORMATION METHOD OF SEMICONDUCTOR DEVICE WITH SEMICONDUCTOR NANOSTRUCTURE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
17750746 BOND ROUTING STRUCTURE FOR STACKED WAFERS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18786524 SEMICONDUCTOR DEVICE AND METHOD OF FORMING THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Erika Heera Son's allowance rate?

64.5% of resolved applications examined by Erika Heera Son were allowed (31 resolved cases), compared with 79.0% across Art Unit 2893 over the last five years.

Does an interview help with examiner Erika Heera Son?

This examiner's interview lift is +2.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Erika Heera Son take to allow a patent?

Applications allowed by Erika Heera Son took 1,396 days on average from filing to allowance.

Which art unit does examiner Erika Heera Son work in?

Erika Heera Son examines applications in Art Unit 2893 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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