Prosecution Insights
Last updated: October 26, 2026

Oleg Korsak, USPTO Patent Examiner

Listed by the USPTO as KORSAK, OLEG

Tech Center 2400 • Art Units: 2194 2400 2492 2493

This examiner grants 86% of resolved cases

Analysis

KORSAK, OLEG is a USPTO patent examiner in tech center 2400 and art unit 2194. The profile records 986 resolved cases, an allowance rate of 85.7%, and a median of 925 days to allowance. The interview lift is 7.3%, indicating that cases associated with interviews had a higher allowance outcome than the underlying rate.

Applicants appearing in the record include Qomplx LLC, Capital One Services LLC, and Robert Bosch GmbH. Frequently represented firms include NK Patent Law, BakerHostetler, and Definitive Patents, member Synchrony IP. The combination of a substantial resolved-case record and a high allowance rate gives practitioners a meaningful historical basis for evaluating prosecution strategy before this examiner. The median timing also supports planning for a process that may extend beyond an initial filing cycle.

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

Performance Statistics

85.7%
Allow Rate
+27.7% vs TC avg
1,013
Total Applications
+7.3%
Interview Lift
925
Avg Prosecution Days
Based on 986 resolved cases, 2023–2026

Rejection Statute Breakdown

6.8%
§101 Eligibility
24.8%
§102 Novelty
36.9%
§103 Obviousness
12.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18826858 SYSTEMS AND METHODS FOR CRYPTOGRAPHIC AUTHENTICATION OF CONTACTLESS CARDS Final Rejection Capital One Services, LLC
18788429 AUTOMATED DETECTION OF KNOWN VULNERABILITIES Non-Final OA Robert Bosch GmbH
19093487 CHECK METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19027536 ONBOARDING SOFTWARE ON SECURE DEVICES TO GENERATE DEVICE IDENTITIES FOR AUTHENTICATION WITH REMOTE SERVERS Final Rejection Micron Technology, Inc.
18639459 SECURING SENSITIVE INFORMATION DETERMINED IN AN INPUT MESSAGE Final Rejection Zoom Video Communications, Inc.

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Frequently Asked Questions

What is examiner Oleg Korsak's allowance rate?

85.7% of resolved applications examined by Oleg Korsak were allowed (986 resolved cases), compared with 68.9% across Art Unit 2194 over the last five years.

Does an interview help with examiner Oleg Korsak?

This examiner's interview lift is +7.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Oleg Korsak take to allow a patent?

Applications allowed by Oleg Korsak took 925 days on average from filing to allowance.

Which art unit does examiner Oleg Korsak work in?

Oleg Korsak examines applications in Art Unit 2194 in Tech Center 2400 (Networking & Security).

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