Prosecution Insights
Last updated: October 26, 2026

Michail A Belyavskyi, USPTO Patent Examiner

Listed by the USPTO as BELYAVSKYI, MICHAIL A

Tech Center 1600 • Art Units: 1641 1643 1644 1646 1647 1653 1654

This examiner grants 64% of resolved cases

Analysis

BELYAVSKYI, Michail A has resolved 1120 cases in Tech Center 1600 and records a 63.9% allowance rate. The 28.0% interview lift indicates that examiner interviews can provide substantial support for favorable prosecution outcomes. The median time to allowance is 1150 days, so applicants should integrate interview preparation with a plan for sustained claim development.

Genentech Inc., The Regents of the University of California, and City of Hope are the leading companies. NORTON ROSE FULBRIGHT US LLP, Knobbe, Martens, Olson & Bear, LLP, and BOZICEVIC, FIELD & FRANCIS LLP are the leading firms. For art unit 1641, counsel should connect technical explanations directly to the written record.

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

Performance Statistics

63.9%
Allow Rate
+3.9% vs TC avg
1,201
Total Applications
+28.0%
Interview Lift
1150
Avg Prosecution Days
Based on 1120 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
14.9%
§102 Novelty
31.3%
§103 Obviousness
19.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18020611 TARGETED PROTEIN DEGRADATION IN THERAPEUTIC CELLS Non-Final OA The Regents of the University of California
17863149 METHODS FOR TREATING VIRAL INFECTIONS Non-Final OA The Regents of The University of California
17800387 CAR T CELLS TARGETING THE INTEGRIN ALPHAV BETA3 EXHIBIT ROBUST ANTI-TUMOR RESPONSES AGAINST GLIOMAS AND OTHER SOLID TUMOR MALIGNANCIES Final Rejection University of Virginia Patent Foundation
18656496 METHOD FOR PRODUCING CD8alpha+beta+ CYTOTOXIC T CELLS Non-Final OA KYOTO UNIVERSITY
18603451 AUGMENTATION OF FIBROBLAST REGENERATIVE ACTIVITY Non-Final OA FIGENE, LLC

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Frequently Asked Questions

What is examiner Michail A Belyavskyi's allowance rate?

63.9% of resolved applications examined by Michail A Belyavskyi were allowed (1,120 resolved cases), compared with 45.2% across Art Unit 1641 over the last five years.

Does an interview help with examiner Michail A Belyavskyi?

This examiner's interview lift is +28.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michail A Belyavskyi take to allow a patent?

Applications allowed by Michail A Belyavskyi took 1,150 days on average from filing to allowance.

Which art unit does examiner Michail A Belyavskyi work in?

Michail A Belyavskyi examines applications in Art Unit 1641 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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