Prosecution Insights
Last updated: October 26, 2026

Hassan A Hussein, USPTO Patent Examiner

Listed by the USPTO as HUSSEIN, HASSAN A

Tech Center 2400 • Art Units: 2431 2497

This examiner grants 60% of resolved cases

Analysis

Hassan A. Hussein serves in Tech Center 2400 and Art Unit 2431. The examiner has resolved 143 cases, maintaining an allowance rate of 60.1 percent. This rate indicates a balanced prosecution environment where more than half of the applications result in a grant. The median time to reach an allowance is 1105 days, reflecting the typical duration of the examination process in this technology area.

A standout metric in this profile is the 52.5 percent interview lift. This figure suggests that conducting an interview significantly increases the probability of success compared to the baseline allowance rate. Practitioners should prioritize scheduling interviews early in the prosecution cycle to clarify claim scope and address examiner concerns. This strategy appears highly effective for navigating the specific requirements of Art Unit 2431.

Major companies such as Assa Abloy AB, Nchain Licensing AG, and The Nielsen Company (US) LLC are active in this examiner's docket. Legal representation is frequently provided by firms including Schwabe Williamson & Wyatt and Galvani Smith PLLC. The high interview lift across these diverse clients underscores the importance of verbal advocacy when appearing before this examiner during the 1105 days of median pendency.

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

Performance Statistics

60.1%
Allow Rate
+2.1% vs TC avg
181
Total Applications
+52.5%
Interview Lift
1105
Avg Prosecution Days
Based on 143 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
2.8%
§102 Novelty
71.4%
§103 Obviousness
14.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18842037 CALCULATION APPARATUS, CALCULATION METHODS, AND PROGRAMS Non-Final OA NTT, Inc.
18891779 DISTRIBUTED DENIAL OF SERVICE PROTECTION MANAGEMENT Final Rejection Salesforce, Inc.
19107608 DEPENDENT CREDENTIALS Non-Final OA ASSA ABLOY AB
18874429 OUT-OF-BAND OTP EXCHANGE ACCESS CONTROL Final Rejection ASSA ABLOY AB
18931467 CHUNK TRACEABILITY AND USER-BASED ACCESS CONTROL IN HORIZONTAL RETRIEVAL AUGMENTED GENERATION Non-Final OA Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Hassan A Hussein's allowance rate?

60.1% of resolved applications examined by Hassan A Hussein were allowed (143 resolved cases), compared with 76.5% across Art Unit 2431 over the last five years.

Does an interview help with examiner Hassan A Hussein?

This examiner's interview lift is +52.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Hassan A Hussein took 1,105 days on average from filing to allowance.

Which art unit does examiner Hassan A Hussein work in?

Hassan A Hussein examines applications in Art Unit 2431 in Tech Center 2400 (Networking & Security).

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