Prosecution Insights
Last updated: October 02, 2026

Examiner: ZELASKIEWICZ, CHRYSTINA E

Tech Center 3600 • Art Units: 3621 3685 3688 3699

This examiner grants 33% of resolved cases

Analysis

Chrystina E. Zelaskiewicz is an examiner in Art Unit 3621 of Tech Center 3600. She has 416 resolved cases and an allowance rate of 33.2 percent. This 33.2 percent rate suggests a prosecution path where rejections are a factor. The median days to allowance is 1788. This 1788-day figure should be factored into long-term planning. Practitioners must prepare their clients for the timeline associated with successful outcomes in Tech Center 3600.

The interview lift is 36.0 percent. This 36.0 percent lift indicates that interviews are effective. This increase can improve the chances of success, making it a part of the strategy in Art Unit 3621. With 416 resolved cases, the 33.2 percent allowance rate is a baseline for this examiner. The 36.0 percent lift suggests that verbal advocacy is a productive way to navigate this unit. The 1788-day median is a specific metric for the duration of the grant process.

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

Performance Statistics

33.2%
Allow Rate
-18.8% vs TC avg
446
Total Applications
+36.0%
Interview Lift
1788
Avg Prosecution Days
Based on 416 resolved cases, 2023–2026

Rejection Statute Breakdown

24.5%
§101 Eligibility
2.3%
§102 Novelty
43.9%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19165068 COMPUTER-IMPLEMENTED SYSTEM AND METHOD FOR TREE-BASED DATA VERIFICATION, COMMUNICATION AND INTEGRITY SOLUTIONS Non-Final OA nChain Licensing AG
18365616 SYSTEM AND METHODS FOR MANAGING TRANSFERS OF DIGITAL ASSETS Non-Final OA The Toronto-Dominion Bank
18826833 SYSTEM AND NON-TRANSITORY STORAGE MEDIUM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18471853 SYSTEM AND METHOD FOR IMPROVING ACCURACY IN FRAUD DETECTION Non-Final OA Mastercard International Incorporated
17752318 METHOD AND SYSTEM FOR PROCESSING AN ASSET SWAP ACROSS TWO BLOCKCHAINS Non-Final OA MASTERCARD INTERNATIONAL INCORPORATED
19262076 TRANSACTION CHAINING Non-Final OA Tencent Technology (Shenzhen) Company Limited
17857307 SYSTEM FOR DIGITAL IDENTITY DETECTION AND VERIFICATION IN A VIRTUAL ENVIRONMENT Final Rejection BANK OF AMERICA CORPORATION
18978343 SYSTEMS AND METHODS FOR IDENTITY-PROTECTED DATA ELEMENT DISTRIBUTION NETWORK Final Rejection Yahoo Ad Tech LLC
18372824 SECURE TRANSACTION TERMINAL GATEWAY Final Rejection NCR Atleos Corporation
18242934 VIRTUAL EXPERIENCE SUBSCRIPTIONS USING A VIRTUAL CURRENCY Non-Final OA Roblox Corporation

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