Prosecution Insights
Last updated: October 26, 2026

Alexander Belousov, USPTO Patent Examiner

Listed by the USPTO as BELOUSOV, ALEXANDER

Tech Center 2800 • Art Units: 2818 2894

This examiner grants 77% of resolved cases

Analysis

Alexander Belousov serves in Art Unit 2818 of Tech Center 2800. With 525 resolved cases, the examiner has an allowance rate of 76.6%. This high rate suggests a generally positive outlook for applicants, with more than three-quarters of cases resulting in a patent grant.

The 16.3% interview lift indicates that direct communication is an effective tool for resolving issues and moving toward allowance. Practitioners should consider an interview a productive part of their strategy. The median pendency to allowance is 1066 days, which is a standard duration for the semiconductor and electronics technologies handled in this unit.

Top companies include Taiwan Semiconductor Manufacturing Company, Ltd., Sony Group Corporation, and Samsung Electronics Co., Ltd. The firms Eschweiler & Potashnik, LLC (TSMC), JCIPRNET, and Morgan, Lewis & Bockius LLP (WA) are the most active. These firms represent major players in the global electronics market who benefit from the examiner's 76.6% allowance rate and 1066-day median pendency.

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

Performance Statistics

76.6%
Allow Rate
+8.6% vs TC avg
559
Total Applications
+16.3%
Interview Lift
1066
Avg Prosecution Days
Based on 525 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
25.0%
§102 Novelty
61.9%
§103 Obviousness
12.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18523314 SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18005649 SOLID-STATE IMAGING APPARATUS AND METHOD FOR MANUFACTURING SOLID-STATE IMAGING APPARATUS AND ELECTRONIC EQUIPMENT Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18001857 SOLID-STATE IMAGING DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC DEVICE Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18365423 IMAGE SENSING DEVICE AND METHOD FOR MANUFACTURING THE SAME Final Rejection SK hynix Inc.
18786614 IMAGE SENSOR AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18783538 HIGH REFLECTANCE ISOLATION STRUCTURE TO INCREASE IMAGE SENSOR PERFORMANCE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18782159 IMAGE SENSOR AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18778985 CSI WITH CONTROLLABLE ISOLATION STRUCTURE AND METHODS OF MANUFACTURING AND USING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18771095 BACKSIDE STRUCTURE FOR IMAGE SENSOR Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18603729 VIA STRUCTURE FOR MULTI-STACKED CHIPS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18448101 INTEGRATED CIRCUIT, SYSTEM AND METHOD OF FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18346544 MULTIPLE WAVELENGTH BAND LIGHT SENSOR DEVICE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18325699 OPTICAL BLOCKING REGIONS FOR PIXEL SENSORS Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18666902 CAPACITOR INTEGRATED PASSIVE DEVICE WITH COMMON GROUNDED THROUGH-SUBSTRATE-VIA AND SUBSTRATE BACKSIDE CONDUCTOR AND METHODS OF FORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company Limited

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Frequently Asked Questions

What is examiner Alexander Belousov's allowance rate?

76.6% of resolved applications examined by Alexander Belousov were allowed (525 resolved cases), compared with 85.2% across Art Unit 2818 over the last five years.

Does an interview help with examiner Alexander Belousov?

This examiner's interview lift is +16.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Alexander Belousov take to allow a patent?

Applications allowed by Alexander Belousov took 1,066 days on average from filing to allowance.

Which art unit does examiner Alexander Belousov work in?

Alexander Belousov examines applications in Art Unit 2818 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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