Prosecution Insights
Last updated: October 27, 2026

Ethan Alexander Tuttle, USPTO Patent Examiner

Listed by the USPTO as TUTTLE, ETHAN ALEXANDER

Tech Center 2800 • Art Units: 2800 2897

This examiner grants 0% of resolved cases

Analysis

TUTTLE, ETHAN ALEXANDER works in USPTO technology center 2800 and art unit 2800. The profile contains 2 resolved cases, with a 0.0% allowance rate and a 0.0% interview lift. Median time to allowance is 1093 days.

Top company entries are Samsung Electronics Co., Ltd., Samsung Display Co., Ltd., and Taiwan Semiconductor Manufacturing Company, Ltd. The listed firms are NORTH AMERICA INTELLECTUAL PROPERTY CORPORATION, Eschweiler & Potashnik, LLC (TSMC), and FISH & RICHARDSON P.C. (TC). The small record requires substantial caution when using these measures for prosecution decisions.

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

Performance Statistics

0.0%
Allow Rate
-68.0% vs TC avg
29
Total Applications
+0.0%
Interview Lift
1093
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
32.2%
§102 Novelty
55.9%
§103 Obviousness
11.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18434122 SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18434391 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18434108 DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18419436 DISPLAY APPARATUS Final Rejection Samsung Display Co., Ltd.
18475026 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18576036 ARRAY SUBSTRATE AND DISPLAY APPARATUS Non-Final OA BOE Technology Group Co., Ltd.
18476868 SYSTEMS AND METHODS FOR SEMICONDUCTOR DEVICES WITH DIE-TO-DIE INTERFACES Final Rejection Avago Technologies International Sales Pte. Limited
18745272 METHODS AND APPARATUS FOR COOLING DIE STACKS Non-Final OA Adeia Semiconductor Bonding Technologies Inc.
18692909 SEMICONDUCTOR PACKAGE Non-Final OA LG INNOTEK CO., LTD.
18653535 THROUGH-CHIP VIAS EXTENDING THROUGH MULTIPLE CHIPS FOR TOP-DOWN POWER REDISTRIBUTION Non-Final OA International Business Machines Corporation
18478798 METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE Final Rejection SK hynix Inc.
18407705 RESISTOR STRUCTURE WITH CAPPING STRUCTURE ON TFR LAYER Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18407800 FEEDTHROUGH VIA WITH REDUCED RESISTANCE FOR DIRECT CONNECTION TO BACKSIDE METALS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18815864 HIGH ELECTRON MOBILITY TRANSISTOR AND METHOD FOR FABRICATING THE SAME Non-Final OA UNITED MICROELECTRONICS CORP.
17848500 MODULAR POWER TRANSISTOR COMPONENT ASSEMBLIES WITH FLIP CHIP INTERCONNECTIONS Final Rejection MACOM Technology Solutions Holdings, Inc.

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Frequently Asked Questions

What is examiner Ethan Alexander Tuttle's allowance rate?

0.0% of resolved applications examined by Ethan Alexander Tuttle were allowed (2 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Ethan Alexander Tuttle?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ethan Alexander Tuttle take to allow a patent?

Applications allowed by Ethan Alexander Tuttle took 1,093 days on average from filing to allowance.

Which art unit does examiner Ethan Alexander Tuttle work in?

Ethan Alexander Tuttle examines applications in Art Unit 2800 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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