Prosecution Insights
Last updated: October 01, 2026

Examiner: MRABI, HASSAN

Tech Center 4100 • Art Units: 2127 2144 2147 2164 2176 2177 2487 4100

This examiner grants 78% of resolved cases

Analysis

Hassan Mrabi is an examiner in Tech Center 4100 and Art Unit 2127. He has 381 resolved cases, with an allowance rate of 78.0 percent. The median days to allowance is 1023. These figures indicate a favorable environment for applicants and provide a clear expectation for the duration of the process.

The interview lift is 33.3 percent, which is a substantial positive figure. This lift suggests that interviews are effective in Art Unit 2127 compared to the 78.0 percent baseline. A 33.3 percent increase in the allowance rate when an interview is conducted is a strong incentive for practitioners to engage with the examiner.

With 381 resolved cases, the allowance rate and 1023 day median are well-supported metrics. The interview lift is a key strategic insight for managing the prosecution process. These figures together suggest that an interview can significantly improve the chances of obtaining an allowance with this examiner.

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

Performance Statistics

78.0%
Allow Rate
+18.0% vs TC avg
399
Total Applications
+33.3%
Interview Lift
1023
Avg Prosecution Days
Based on 381 resolved cases, 2023–2026

Rejection Statute Breakdown

13.9%
§101 Eligibility
9.5%
§102 Novelty
60.2%
§103 Obviousness
6.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18592250 SEQUENTIAL CUSTOMIZATION OF TEXT-TO-IMAGE DIFFUSION MODELS OR OTHER MACHINE LEARNING MODELS Non-Final OA Samsung Electronics Co., Ltd.
17877742 METHODS, SYSTEMS, AND MEDIA FOR BI-MODAL UNDERSTANDING OF NATURAL LANGUAGES AND NEURAL ARCHITECTURES Non-Final OA HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.
18312663 METHODS FOR DEEP ARTIFICIAL NEURAL NETWORKS FOR SIGNAL ERROR CORRECTION Final Rejection Life Technologies Corporation
18540334 DYNAMIC CONFIGURATION OF A DATA PROCESSING SYSTEM Non-Final OA Capital One Services, LLC
18565414 ACTIVATION BUFFER ARCHITECTURE FOR DATA-REUSE IN A NEURAL NETWORK ACCELERATOR Non-Final OA QUALCOMM Incorporated
18262718 KERNEL-GUIDED ARCHITECTURE SEARCH AND KNOWLEDGE DISTILLATION Final Rejection QUALCOMM Incorporated
17767688 DEVELOPING MACHINE-LEARNING MODELS Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18328977 DETERMINING MISSING RELATIONSHIP INFORMATION AND AUGMENTING A KNOWLEDGE GRAPH Non-Final OA International Business Machines Corporation
18279478 SEARCH APPARATUS, SEARCH METHOD, AND SEMICONDUCTOR DEVICE MANUFACTURING SYSTEM Non-Final OA Hitachi High-Tech Corporation
18175249 SYSTEM AND METHOD FOR LARGE-SCALE MULTI-LABEL LEARNING USING INCOMPLETE LABEL ASSIGNMENTS Non-Final OA YAHOO ASSETS LLC
18378491 METHOD FOR KNOWLEDGE GRAPH EMBEDDING USING NUMERIC DATA AND HYPER-RELATIONAL INFORMATION AND SYSTEM THEREOF Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18326885 FEDERATED LEARNING SIMULATOR FOR FLEXIBLE LOCAL AND GLOBAL TRAINING Final Rejection Dell Products L.P.
18524989 ELECTRONIC DEVICE AND METHOD OF ELECTRONIC DEVICE GENERATING PREDICTIVE MODEL BASED ON CLASSIFICATION OF PATTERNS OF TIME-SERIES DATA TO WHICH PRE-PROCESSING PIPELINE HAS BEEN APPLIED Non-Final OA Korea Electronics Technology Institute
18698218 DEMONSTRATION-DRIVEN REINFORCEMENT LEARNING Non-Final OA DeepMind Technologies Limited

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