Prosecution Insights
Last updated: October 26, 2026

Hanh Phan, USPTO Patent Examiner

Listed by the USPTO as PHAN, HANH

Tech Center 2600 • Art Units: 2613 2634 2636

This examiner grants 89% of resolved cases

Analysis

PHAN, HANH is a USPTO patent examiner in tech center 2600 and art unit 2613. The profile records 1167 resolved cases, an allowance rate of 88.8%, and a median of 840 days to allowance. The interview lift is 6.5%, reflecting a modest positive association between interviews and allowance outcomes in the reported case history.

The listed companies are Cable Television Laboratories Inc., Avicenatech Corp., and Apple Inc. The listed firms are BakerHostetler, BRAKE HUGHES BELLERMANN LLP, and BUCHALTER - MAXLINEAR, INC. The allowance rate offers a substantial planning signal for prosecution assessment, while the median timing helps inform portfolio scheduling. The limited interview lift supports a selective approach based on the issues in the pending record and the expected value of direct discussion.

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

Performance Statistics

88.8%
Allow Rate
+26.8% vs TC avg
1,186
Total Applications
+6.5%
Interview Lift
840
Avg Prosecution Days
Based on 1167 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
25.9%
§102 Novelty
40.7%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18871080 SYSTEM AND METHOD FOR DETERMINING ENCRYPTION KEYS USING A PHASE-ENCODING SIGNAL Non-Final OA THALES
18898930 METHOD FOR A COLLECTING DATA AT AN ONU OF AN OPTICAL DISTRIBUTION NETWORK Non-Final OA Nokia Solutions and Networks Oy

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Frequently Asked Questions

What is examiner Hanh Phan's allowance rate?

88.8% of resolved applications examined by Hanh Phan were allowed (1,167 resolved cases), compared with 68.8% across Art Unit 2613 over the last five years.

Does an interview help with examiner Hanh Phan?

This examiner's interview lift is +6.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hanh Phan take to allow a patent?

Applications allowed by Hanh Phan took 840 days on average from filing to allowance.

Which art unit does examiner Hanh Phan work in?

Hanh Phan examines applications in Art Unit 2613 in Tech Center 2600 (Communications).

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