Prosecution Insights
Last updated: October 01, 2026

Examiner: ZARRINEH, SHAHRIAR

Tech Center 2400 • Art Units: 2431 2496 2497

This examiner grants 77% of resolved cases

Analysis

Shahriar Zarrineh examines applications in Art Unit 2431 of Tech Center 2400. Across 458 resolved cases, the allowance rate is 77.3 percent. This 77.3 percent rate suggests a path to allowance for most applicants. The median days to allowance is 981. This 981-day figure is a timeframe for this tech center. Practitioners can use this metric to set realistic expectations for their clients in Art Unit 2431.

The interview lift is 6.9 percent. This 6.9 percent lift suggests that while interviews are helpful, the examiner is often inclined toward allowance. The 77.3 percent allowance rate is a baseline for success. With 458 resolved cases, the data provides a stable metric for planning prosecution strategy. The 6.9 percent lift remains an option for clarifying technical details. The environment in Tech Center 2400 appears favorable for patent grants based on the 981-day median and historical rates.

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

Performance Statistics

77.3%
Allow Rate
+19.3% vs TC avg
507
Total Applications
+6.9%
Interview Lift
981
Avg Prosecution Days
Based on 458 resolved cases, 2023–2026

Rejection Statute Breakdown

9.4%
§101 Eligibility
12.7%
§102 Novelty
56.5%
§103 Obviousness
15.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18608321 ELECTRONIC DEVICE FOR PROCESSING MULTI-SIGNED APK FILE, AND OPERATING METHOD THEREFOR Final Rejection Samsung Electronics Co., Ltd.
17579523 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM Final Rejection FUJIFILM Business Innovation Corp.
19249995 INTERCEPTION METHOD, SYSTEM, AND RELATED APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19003867 INFORMATION PROCESSING METHOD, CHIP, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18841958 METHOD AND MODULE FOR DETECTING ATTEMPTED CYBER ATTACKS IN A FLEET OF COMPUTERS Non-Final OA Orange
18216436 HARDWARE-BASED CRYPTOGRAPHIC PROTECTION OF TOKENS Non-Final OA Intel Corporation
18525333 API SECURITY SENSITIVE FIELDS Non-Final OA INTUIT INC.
18249318 PROTECTING INFORMATION REGARDING MACHINE LEARNING MODELS Final Rejection Hewlett-Packard Development Company, L.P.
17335118 CERTIFICATE-BASED MULTI-FACTOR AUTHENTICATION Non-Final OA International Business Machines Corporation
19151165 METHOD AND SYSTEM FOR HANDLING AT LEAST ONE UNAUTHORISED ACCESS TO AT LEAST ONE SHARED RESOURCE BY AT LEAST ONE CONTAINER INSTANCE Non-Final OA Siemens Aktiengesellschaft
17335914 IDENTITY THEFT PROTECTION WITH NO PASSWORD ACCESS Final Rejection Micron Technology, Inc.
18904520 SYSTEM AND METHODS FOR TRACKING ACCESS TO USER DATA USING A DISTRIBUTED LEDGER AND ARTIFICIAL INTELLIGENCE Final Rejection BANK OF AMERICA CORPORATION
19054376 Communication Method, Apparatus, and System Non-Final OA Yinwang Intelligent Technologies Co., Ltd.
18112946 ACCESSING ENCRYPTED INFORMATION WITH A TRUSTED DEVICE Final Rejection Journey.ai
18772026 SECURE FIREWALL CONFIGURATIONS Final Rejection Sophos Limited
18928994 EVENT DETECTION MODEL Final Rejection CrowdStrike, Inc.
18500876 SYSTEMS AND METHODS FOR ACCESS PROTECTION OF SYSTEM PERIPHERALS Final Rejection Cirrus Logic International Semiconductor Ltd.
18425297 COMMAND VALIDATION AT AN INTERMEDIARY DEVICE Final Rejection HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
18472649 OPTICALLY ACTIVATED NEURAL NETWORKS Non-Final OA HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

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