Prosecution Insights
Last updated: April 19, 2026

Examiner: ZELASKIEWICZ, CHRYSTINA E

Tech Center 3600 • Art Units: 3621 3685 3688 3699

This examiner grants 31% of resolved cases

Performance Statistics

30.6%
Allow Rate
-21.4% vs TC avg
438
Total Applications
+34.7%
Interview Lift
1954
Avg Prosecution Days
Based on 396 resolved cases, 2023–2026

Rejection Statute Breakdown

25.2%
§101 Eligibility
2.5%
§102 Novelty
42.6%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17857307 SYSTEM FOR DIGITAL IDENTITY DETECTION AND VERIFICATION IN A VIRTUAL ENVIRONMENT Final Rejection BANK OF AMERICA CORPORATION
19276327 METHOD AND SYSTEM FOR PAYMENT PROCESSING USING DISTRIBUTED DIGITIZED SURROGATES Non-Final OA MASTERCARD INTERNATIONAL INCORPORATED
18242167 METHOD AND SYSTEM FOR CRYPTOCURRENCY FRAUD DETECTION USING UNSUPERVISED DOMAIN ADAPTION Non-Final OA Mastercard International Incorporated
17752318 METHOD AND SYSTEM FOR PROCESSING AN ASSET SWAP ACROSS TWO BLOCKCHAINS Final Rejection MASTERCARD INTERNATIONAL INCORPORATED
18219791 PRESENTING A PERSONALIZED VALUE ADDED OFFER DURING AN ADVANCED VERIFICATION PROCESS Final Rejection American Express Travel Related Services Company, Inc.
18303511 ESTABLISHING DIGITAL ACCOUNT USAGE IN DIGITAL WALLETS DURING CROSS-PLATFORM DATA PROCESSING Non-Final OA PAYPAL, INC.
18359628 SYSTEM TO PREVENT FRAUDS AND AUTHENTICATE USERS FOR THIRD PARTY APPLICATIONS WHILE TOKEN PROCESSING Final Rejection Visa International Service Association
18026854 Systems, Methods, and Computer Program Products for Authenticating Devices Non-Final OA Visa International Service Association
17323562 SPREAD PRICE SCALING FOR IMPLIED TRADE MATCHING Non-Final OA Chicago Mercantile Exchange Inc.
18673878 SYSTEMS, METHODS, AND MEDIA FOR DETECTING ADVERTISEMENTS WITH ADVERTISING CUES Final Rejection Integral Ad Science, Inc.
16197307 METHODS AND APPARATUS TO COLLECT AUDIENCE MEASUREMENT DATA ON COMPUTING DEVICES Non-Final OA The Nielsen Company (US), LLC
18978343 SYSTEMS AND METHODS FOR IDENTITY-PROTECTED DATA ELEMENT DISTRIBUTION NETWORK Non-Final OA Yahoo Ad Tech LLC
18892197 SYSTEMS AND METHODS FOR DATA PROCESS INTEGRATION Non-Final OA ROYAL BANK OF CANADA
18103913 Frictionless Vision-Based Checkout Final Rejection NCR Voyix Corporation
18247472 SYSTEM AND METHOD FOR CREATING NON-FUNGIBLE TOKENS (NFTs) ON A BLOCKCHAIN PLATFORM Non-Final OA JIO PLATFORMS LIMITED
18805202 SYSTEM AND METHOD FOR CARDED TRANSACTION PROCESSING Final Rejection FSA Store Inc.
18283977 NON-FUNGIBLE TOKEN GENERATION SYSTEM AND NON-FUNGIBLE TOKEN GENERATION METHOD Non-Final OA AI SHOJI CO., LTD.
18397759 TIME ON MARKET AND LIKELIHOOD OF SALE PREDICTION Final Rejection MFTB Holdco, Inc.
18207450 ASSIGNING ACCESS CONTROLS TO AN ENTERPRISE GENERATED ASSET Non-Final OA STRONG FORCE TX PORTFOLIO 2018, LLC
18424089 SYSTEM AND PROCESS FOR TOKENIZATION AND MANAGEMENT OF LIABILITY Non-Final OA LOYYAL HOLDINGS INCORPORATED
18189271 SYSTEM AND METHOD TO INVESTIGATE THREAT ACTORS IN CRYPTOCURRENCY TRANSACTIONS Non-Final OA CYBLE INC.
17325159 SYSTEMS AND METHODS FOR AN ONLINE MUSIC MARKETPLACE Non-Final OA VERONA HOLDINGS SEZC
17258437 ENCRYPTED BLOCKCHAIN VOTING SYSTEM Final Rejection Scytale Technologies Ltd

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