Prosecution Insights
Last updated: October 26, 2026

Hussein A El Chanti, USPTO Patent Examiner

Listed by the USPTO as EL CHANTI, HUSSEIN A

Tech Center 4100 • Art Units: 2157 2441 2457 3663 3669 4100

This examiner grants 85% of resolved cases

Analysis

EL CHANTI, HUSSEIN A is a USPTO patent examiner in tech center 4100 and art unit 2157. The profile contains 1039 resolved cases, with an allowance rate of 84.6% and a median of 953 days to allowance. Interviews are associated with a 9.0% lift in the allowance rate.

The record indicates a prosecution environment in which allowance is common across a substantial case history, while the median timeline remains material for filing strategy. Applicants may therefore benefit from preparing claims and amendments that can be advanced efficiently without relying exclusively on interviews. The interview figure supports considering an interview when the issues are suitable for focused discussion.

Denso Corporation, Apple Inc., and Robert Bosch GmbH appear among the leading companies in the record. FOLEY & LARDNER LLP, OLIFF PLC, and Bridgeway IP Law Group, PLLC are the leading listed firms. These recurring participants give practitioners identifiable examples of prosecution activity associated with this examiner.

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

Performance Statistics

84.6%
Allow Rate
+24.6% vs TC avg
1,064
Total Applications
+9.0%
Interview Lift
953
Avg Prosecution Days
Based on 1039 resolved cases, 2023–2026

Rejection Statute Breakdown

16.6%
§101 Eligibility
32.4%
§102 Novelty
26.5%
§103 Obviousness
14.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19029468 Map Application With Improved Search Tools Final Rejection Apple Inc.
18179541 METHOD FOR PERFORMING AN AVP OPERATION OF A MOTOR VEHICLE Final Rejection Robert Bosch GmbH
18233075 INFORMATION PROCESSING DEVICE, MAP UPDATE METHOD, PROGRAM, AND INFORMATION PROCESSING SYSTEM Non-Final OA SONY CORPORATION
19214373 DISPLAY CONTROL APPARATUS Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18776718 TRAFFIC FLOW CONTROL APPARATUS AND TRAFFIC FLOW CONTROL PROGRAM Non-Final OA DENSO CORPORATION
19249908 VEHICLE CONTROL APPARATUS AND PROGRAM Non-Final OA J-QuAD DYNAMICS Inc.
19112357 INFORMATION PROCESSING DEVICE, DRIVING ASSISTANCE SYSTEM, AND INFORMATION PROCESSING METHOD Non-Final OA HITACHI ASTEMO, LTD.

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Frequently Asked Questions

What is examiner Hussein A El Chanti's allowance rate?

84.6% of resolved applications examined by Hussein A El Chanti were allowed (1,039 resolved cases), compared with 35.6% across Art Unit 2157 over the last five years.

Does an interview help with examiner Hussein A El Chanti?

This examiner's interview lift is +9.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hussein A El Chanti take to allow a patent?

Applications allowed by Hussein A El Chanti took 953 days on average from filing to allowance.

Which art unit does examiner Hussein A El Chanti work in?

Hussein A El Chanti examines applications in Art Unit 2157 in Tech Center 4100.

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