Prosecution Insights
Last updated: October 27, 2026

Elena Vladimirovna Vishnyakova, USPTO Patent Examiner

Listed by the USPTO as VISHNYAKOVA, ELENA VLADIMIROVNA

Tech Center 1600 • Art Units: 1627 1691

This examiner grants 68% of resolved cases

Analysis

VISHNYAKOVA, ELENA VLADIMIROVNA works in tech center 1600 and art unit 1627. The profile contains 41 resolved cases, with an allowance rate of 68.3% and a median of 1101 days to allowance. The interview lift is 46.6%, indicating a strong positive association between interviews and allowance outcomes in the available record.

The principal company clients are Remix Therapeutics Inc., Tencent Technology (Shenzhen) Company Limited, and Araris Biotech AG. The leading firms are LANDO & ANASTASI, LLP, Anova Law Group, PLLC, and BELL & ASSOCIATES. The limited case volume calls for careful application, but the interview data supports purposeful contact with the examiner when developing a response or negotiating claim scope.

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

Performance Statistics

68.3%
Allow Rate
+8.3% vs TC avg
78
Total Applications
+46.6%
Interview Lift
1101
Avg Prosecution Days
Based on 41 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
14.3%
§102 Novelty
41.5%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18455578 IMIDAZO[1,2-a]PYRAZINE OR PYRAZOLO[1,5-a]PYRIMIDINE DERIVATIVE AND USE THEREOF Final Rejection TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
18717529 PHARMACEUTICAL COMBINATION COMPRISING ABEMACICLIB AND A PI3K AND/OR A MTOR INHIBITOR FOR THE TREATMENT OF MANTLE CELL LYMPHOMA Non-Final OA Board of Regents, The University of Texas System
18253891 COMPOSITIONS AND METHODS FOR BLOCKING NEUROPILIN RECEPTOR 1 FOR THE TREATMENT OF PAIN AND PREVENTION OF VIRAL ENTRY Final Rejection Arizona Board of Regents on Behalf of the University of Arizona
18277524 NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME Non-Final OA LG CHEM, LTD.
18030518 MODULATORS OF CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR Final Rejection VERTEX PHARMACEUTICALS INCORPORATED

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Frequently Asked Questions

What is examiner Elena Vladimirovna Vishnyakova's allowance rate?

68.3% of resolved applications examined by Elena Vladimirovna Vishnyakova were allowed (41 resolved cases), compared with 35.1% across Art Unit 1627 over the last five years.

Does an interview help with examiner Elena Vladimirovna Vishnyakova?

This examiner's interview lift is +46.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elena Vladimirovna Vishnyakova take to allow a patent?

Applications allowed by Elena Vladimirovna Vishnyakova took 1,101 days on average from filing to allowance.

Which art unit does examiner Elena Vladimirovna Vishnyakova work in?

Elena Vladimirovna Vishnyakova examines applications in Art Unit 1627 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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