Prosecution Insights
Last updated: October 26, 2026

Sean P Hagan, USPTO Patent Examiner

Listed by the USPTO as HAGAN, SEAN P

Tech Center 2800 • Art Units: 2828

This examiner grants 39% of resolved cases

Analysis

HAGAN, SEAN P is a USPTO patent examiner in tech center 2800 and art unit 2828. The profile contains 632 resolved cases, with a 39.4% allowance rate and a median of 1199 days to allowance. The 30.1% interview lift indicates a positive association between interviews and allowance outcomes in the available record, which may support deliberate interview use in prosecution planning.

The leading companies are Lumentum Operations LLC, NICHIA Corporation, and Sony Group Corporation. The leading firms are Harrity & Harrity, LLP, FOLEY & LARDNER LLP, and ALSTON & BIRD LLP. These recurring participants give practitioners a concrete view of the applicant and counsel experience represented in this art unit.

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

Performance Statistics

39.4%
Allow Rate
-28.6% vs TC avg
668
Total Applications
+30.1%
Interview Lift
1199
Avg Prosecution Days
Based on 632 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
7.8%
§102 Novelty
78.9%
§103 Obviousness
13.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18577289 VERTICAL CAVITY SURFACE EMITTING LASER DEVICE, VERTICAL CAVITY SURFACE EMITTING LASER DEVICE ARRAY, AND METHOD OF PRODUCING A VERTICAL CAVITY SURFACE EMITTING LASER DEVICE Non-Final OA SONY GROUP CORPORATION
17757237 VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT, VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT ARRAY, VERTICAL CAVITY SURFACE EMITTING LASER MODULE, AND METHOD OF PRODUCING VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT Non-Final OA SONY GROUP CORPORATION
17568388 OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA Murata Manufacturing Co., Ltd.
18499391 CONTROL METHOD AND CONTROL DEVICE OF WAVELENGTH TUNABLE LASER DEVICE, AND NON-TRANSITORY STORAGE MEDIUM STORING CONTROL PROGRAM OF WAVELENGTH TUNABLE LASER DEVICE Final Rejection Sumitomo Electric Industries, Ltd.

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Frequently Asked Questions

What is examiner Sean P Hagan's allowance rate?

39.4% of resolved applications examined by Sean P Hagan were allowed (632 resolved cases), compared with 64.7% across Art Unit 2828 over the last five years.

Does an interview help with examiner Sean P Hagan?

This examiner's interview lift is +30.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sean P Hagan take to allow a patent?

Applications allowed by Sean P Hagan took 1,199 days on average from filing to allowance.

Which art unit does examiner Sean P Hagan work in?

Sean P Hagan examines applications in Art Unit 2828 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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