Prosecution Insights
Last updated: April 19, 2026

Examiner: CASTILHO, EDUARDO D

Tech Center 3600 • Art Units: 3685 3698

This examiner grants 47% of resolved cases

Performance Statistics

46.7%
Allow Rate
-5.3% vs TC avg
321
Total Applications
+22.1%
Interview Lift
1385
Avg Prosecution Days
Based on 289 resolved cases, 2023–2026

Rejection Statute Breakdown

23.4%
§101 Eligibility
10.8%
§102 Novelty
32.7%
§103 Obviousness
29.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19362522 BLOCKCHAIN INTEROPERABILITY SYSTEM Non-Final OA HALLIDAY INTERNATIONAL, INC.
19329463 SYSTEM, METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR VOTER REGISTRATION AND VOTING Non-Final OA STV Technologies LLC
19028570 SYSTEMS AND METHODS FOR SMART CARD MOBILE DEVICE AUTHENTICATION Non-Final OA Wells Fargo Bank, N.A.
18762528 MOBILE DEVICE TRANSACTION SYSTEMS AND METHODS Non-Final OA Wells Fargo Bank, N.A.
18367670 METHOD AND SYSTEM FOR PROVIDING TOKEN IDENTITY Non-Final OA Mastercard International Incorporated
19259788 DECENTRALIZED STORAGE OF TRANSACTION DATA Non-Final OA American Express Travel Related Services Company, Inc.
18984176 DIGITAL OBJECT GENERATION RESPONSIVE TO INTERACTIVE ELEMENT Non-Final OA Block, Inc.
19241419 SYSTEM FOR INTERNATIONAL GOODS AND COMMODITIES TRADING AND MANAGEMENT AND RELATED METHODS Non-Final OA Secro Inc.
17651164 Decentralized Identity on Blockchain for a Multi-sided Network Final Rejection PayPal, Inc.
18720503 METHODS AND SYSTEMS FOR RECIPIENT-FACILITATED BLOCKCHAIN TRANSACTIONS Non-Final OA nChain Licensing AG
18935956 CROSS-BORDER QUICK RESPONSE (QR) PAYMENT FLOW FOR ENCRYPTED PRIMARY ACCOUNT NUMBER (PAN) PAYMENT FLOW Final Rejection Visa International Service Association
19032457 Digital Custody Transactions Non-Final OA Vaultavo, Inc.
18557778 SYSTEMS AND METHODS FOR CRYPTOCURRENCY PAYMENTS Final Rejection VeriFone, Inc.
18822218 ACCOUNTING METHOD FOR CARBON FOOTPRINT OF LEATHER PRODUCT Final Rejection SICHUAN UNIVERSITY
18633340 COMPUTERIZED SYSTEM AND METHOD FOR PROVIDING AN ACTIVITY BASED, INTERACTIVE CRYPTOCURRENCY AND NFT MARKETPLACE Final Rejection Hole-In-One Media, Inc.
18893887 ONE WAY FUNCTIONS IN A RESOURCE TRANSFER SYSTEM Final Rejection INTERLEDGER FOUNDATION INC.
17992392 NFC TRANSACTION Final Rejection STMicroelectronics (Rousset) SAS
18593066 METHODS AND SYSTEMS FOR IMPROVING BLOCKCHAIN TECHNOLOGY Non-Final OA NFT BLOCKCHAIN, LLC
18525535 INTERACTIVE TOOL FOR INVENTORY-BASED DYNAMIC PACING AND ORDERING FOR HOME BUILDERS Non-Final OA Lennar Corporation
18368342 ENHANCED E-BOOK PROVIDING REAL-TIME FEEDBACK AND GUIDED CONTENT FOR MUSICAL INSTRUCTION Non-Final OA Accelerando, LLC

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