Prosecution Insights
Last updated: October 01, 2026

Examiner: OUSSIR, EL MEHDI

Tech Center 3600 • Art Units: 2409 3685 3697 3699

This examiner grants 49% of resolved cases

Analysis

El Mehdi Oussir, working in Tech Center 3600 and Art Unit 2409, has handled 255 resolved cases. The allowance rate of 49.4 percent indicates a prosecution environment where many applications are not granted. This rate suggests that applicants should be prepared for rigorous examination and potential hurdles before achieving a patent grant. The 255 resolved cases show that success is not guaranteed in this unit.

The interview lift of 46.5 percent is nearly as high as the 49.4 percent allowance rate, suggesting that interviews are a critical tool for moving toward an allowance. This lift indicates a strong correlation between examiner communication and successful outcomes for applicants. Practitioners should also account for a median days to allowance of 1451, which reflects the prosecution timeline for these cases. Across the 255 resolved cases analyzed, the data underscores the impact of active verbal advocacy to improve the baseline allowance rate.

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

Performance Statistics

49.4%
Allow Rate
-2.6% vs TC avg
289
Total Applications
+46.5%
Interview Lift
1451
Avg Prosecution Days
Based on 255 resolved cases, 2023–2026

Rejection Statute Breakdown

33.5%
§101 Eligibility
6.6%
§102 Novelty
23.2%
§103 Obviousness
30.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17919995 METHOD FOR IMPLEMENTING A DIGITAL COIN SYSTEM USING A BLOCKCHAIN Final Rejection nChain Licensing AG
18224563 END-TO-END MERCHANT-BASED TRANSACTION AUTHORIZATION USING PROVISIONED PAYMENT CREDENTIALS Final Rejection Apple Inc.
19317056 SYSTEM AND METHOD FOR CARD CONTROL Final Rejection Wells Fargo Bank, N.A.
19249335 BIOMETRIC-BASED IDENTITY VERIFICATON USING ZERO-KNOWLEDGE PROOFS Non-Final OA American Express Travel Related Services Company, Inc.
19031147 SYSTEMS AND METHODS FOR PROVISIONING TRANSACTION DATA TO MOBILE COMMUNICATIONS DEVICES Non-Final OA American Express Travel Related Services Company, Inc.
18225892 SYSTEM AND METHOD FOR CARD PRESENT ACCOUNT PROVISIONING Final Rejection Capital One Services, LLC
19395287 SYSTEMS AND METHODS FOR COMPLETING PAYMENT TRANSACTIONS INITIATED THROUGH A FIRST DEVICE USING A SECOND DEVICE Non-Final OA Adeia Guides Inc.
19053430 METHOD FOR DIGITAL CURRENCY INTRA-CHAIN AND CROSS-CHAIN OFF-CHAIN PAYMENTS BASED ON TRUSTED HARDWARE Non-Final OA ZHEJIANG UNIVERSITY
18033712 METHOD AND SERVER FOR MANAGING DESIGN INFORMATION OF TOBACCO-RELATED ARTICLE Final Rejection KT&G CORPORATION

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