Prosecution Insights
Last updated: October 27, 2026

Eric J Rosen, USPTO Patent Examiner

Listed by the USPTO as ROSEN, ERIC J

Tech Center 4100 • Art Units: 3723 3731 3732 3771 3772 4100 4122

This examiner grants 41% of resolved cases

Analysis

ROSEN, ERIC J is assigned to tech center 4100 and art unit 3723. The record includes 392 resolved cases, a 41.3% allowance rate, and a median of 1097 days to allowance. The 22.8% interview lift indicates a meaningful positive association between interviews and allowance outcomes.

The listed companies are LG Electronics Inc., Valeo S.A., and Koninklijke Philips N.V. The listed firms are Bayramoglu Law Offices LLC, BIRCH STEWART KOLASCH & BIRCH, LLP, and Clements Bernard Walker. The allowance figure makes claim development especially important, while the timing and interview measures support planning for sustained prosecution with direct examiner engagement where appropriate.

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

Performance Statistics

41.3%
Allow Rate
-18.7% vs TC avg
451
Total Applications
+22.8%
Interview Lift
1097
Avg Prosecution Days
Based on 392 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
25.9%
§102 Novelty
41.5%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18861406 WET MOP MODULE OF CLEANER Non-Final OA LG Electronics Inc.
18919002 CLEANER Non-Final OA LG ELECTRONICS INC.
18715141 A HAIR TREATMENT DEVICE Final Rejection KONINKLIJKE PHILIPS N.V.
18716998 END CAP AND WINDSCREEN-WIPER BLADE FOR A MOTOR VEHICLE Final Rejection VALEO SYSTEMES D'ESSUYAGE
19000592 DENTAL APPLIANCES HAVING A TOOTH-GRIPPING FEATURE Final Rejection Align Technology, Inc.
17251873 DENTAL APPLIANCE WITH METAL OXIDE COATING Non-Final OA SOLVENTUM INTELLECTUAL PROPERTIES COMPANY

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Frequently Asked Questions

What is examiner Eric J Rosen's allowance rate?

41.3% of resolved applications examined by Eric J Rosen were allowed (392 resolved cases), compared with 56.5% across Art Unit 3723 over the last five years.

Does an interview help with examiner Eric J Rosen?

This examiner's interview lift is +22.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eric J Rosen take to allow a patent?

Applications allowed by Eric J Rosen took 1,097 days on average from filing to allowance.

Which art unit does examiner Eric J Rosen work in?

Eric J Rosen examines applications in Art Unit 3723 in Tech Center 4100.

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