Prosecution Insights
Last updated: October 02, 2026

Examiner: RAHMAN, MAHFUZUR

Tech Center 2400 • Art Units: 2438 2498

This examiner grants 91% of resolved cases

Analysis

Mahfuzur Rahman serves in Tech Center 2400 and Art Unit 2438. The examiner has a total of 764 resolved cases. The allowance rate for these cases is 90.8%. This 90.8% rate provides a metric for the likelihood of obtaining a patent grant under this examiner's review. Applicants can evaluate their prosecution strategy based on this frequency of outcomes.

The interview lift is 8.4%. This 8.4% lift suggests that engaging in a direct dialogue with the examiner is associated with an increase in the probability of allowance. The 8.4% lift indicates that an interview is a tool for advancing the case. The median days to allowance is 912. This 912 day duration represents the middle point of the time required to reach a grant, helping practitioners manage expectations regarding the length of the patent acquisition process. The 912 days serve as a benchmark for planning in Art Unit 2438.

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

Performance Statistics

90.8%
Allow Rate
+32.8% vs TC avg
780
Total Applications
+8.4%
Interview Lift
912
Avg Prosecution Days
Based on 764 resolved cases, 2023–2026

Rejection Statute Breakdown

21.9%
§101 Eligibility
5.5%
§102 Novelty
49.8%
§103 Obviousness
10.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19029433 Authentication and Control of Encryption Keys Non-Final OA Apple Inc.
18658587 SYSTEMS AND METHODS FOR PROVIDING ATTESTED VERIFICATION OF PERSONAL DATA Final Rejection Tyco Fire & Security GmbH
18918157 SYSTEMS AND METHODS OF AUTHORIZATION AND AUTHENTICATION BASED ON DEMONSTRATED PROOF OF POSSESSION AND DEVICE FINGERPRINT Non-Final OA Capital One Services, LLC
18476729 LARGE LANGUAGE MODEL (LLM) PRUNING USING EXTENDED KRONECKER APPROXIMATIONS Final Rejection QUALCOMM Incorporated
18920708 SYSTEM AND METHOD FOR SAAS DATA CONTROL PLATFORM Final Rejection ROYAL BANK OF CANADA
19203102 USING CLIENT CERTIFICATES TO COMMUNICATE TRUSTED INFORMATION Non-Final OA Blackhawk Network, Inc.
18643859 DATA STORAGE SYSTEM, MOBILE OBJECT, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM Final Rejection DENSO CORPORATION
19240635 HIGH BANDWIDTH ENCRYPTION ENGINES IN A MULTIPATHING IP NETWORK Non-Final OA Cisco Technology, Inc.
18324836 Offline Workflows In An Edge-Based Data Platform Non-Final OA Fortinet, Inc.

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