Prosecution Insights
Last updated: October 04, 2026

Examiner: ROSEN, ERIC J

Tech Center 4100 • Art Units: 3715 3723 3731 3732 3771 3772 4100 4122

This examiner grants 41% of resolved cases

Analysis

Eric J. Rosen works in Tech Center 4100 and Art Unit 3715. He has 392 resolved cases, with an allowance rate of 41.3 percent. This suggests a challenging environment for applicants, with more than half of the cases resulting in a non-grant resolution.

The interview lift is 22.8 percent, indicating that interviews are a productive strategy for advancing prosecution. The median days to allowance is 1097, which is a standard timeline for cases in Tech Center 4100. These 392 resolved cases offer a reliable data set for analyzing the examiner's behavior.

Applicants should use the 22.8 percent interview lift to improve their chances against the 41.3 percent allowance rate. The 1097 day median pendency is a key metric for setting expectations in Art Unit 3715. The data shows that while the examiner is rigorous, interviews provide a clear path toward a successful outcome.

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
449
Total Applications
+22.8%
Interview Lift
1097
Avg Prosecution Days
Based on 392 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
25.3%
§102 Novelty
42.2%
§103 Obviousness
27.3%
§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.
18804607 CLEANING ROBOT AND CLEANING DEVICE COMPRISING SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18715141 A HAIR TREATMENT DEVICE Final Rejection KONINKLIJKE PHILIPS N.V.
18801482 METHODS OF FORMING RELEASABLE PALATAL EXPANDERS Final Rejection Align Technology, Inc.
18600548 REPLACEMENT ATTACHMENT SYSTEM Non-Final OA Align Technology, Inc.
17956538 HAIRSTYLING APPARATUSES AND RELATED METHODS Non-Final OA Kiss Nail Products, Inc.
18400763 SYSTEM AND METHOD FOR FABRICATING A DENTAL RESTORATION Non-Final OA HULTGREN DENTAL TECHNOLOGIES, LLC
17553085 APPARATUS AND METHOD OF AN OSTEOTOMY FOR DENTAL IMPLANT Final Rejection INDIVIDUAL IMPLANT SOLUTIONS, INC.
18665272 VIRTUAL DENTAL BRIDGE Final Rejection James R. Glidewell Dental Ceramics, Inc.
18870304 DENTAL HANDPIECE HAVING AN IMPROVED PUSH BUTTON GUIDANCE Non-Final OA SIRONA Dental Systems GmbH
18866623 APPLICATION NOZZLE FOR CLEANING AN IMPLANT PART, IN PARTICULAR FOR USE IN A SYSTEM FOR CLEANING A COMPONENT CONTAMINATED WITH BIOFILM, IN PARTICULAR AN IMPLANT PART Final Rejection GALVOSURGE DENTAL AG
18566331 INTERDENTAL BRUSH HAVING AN OVAL WIRE CROSS SECTION, AND METHOD FOR PRODUCING THE SAME Final Rejection Curaden AG
18854554 DENTAL TREATMENT SYSTEM AND METHOD USING AI TECHNOLOGY Non-Final OA UA ROBOTICS CO., LTD.
18891474 DISPOSABLE SWEEPING CLOTH FOR CLEANING AND/OR DISINFECTING FLOORS Non-Final OA DR. SCHUMACHER GMBH
18799265 ORTHODONTIC APPLIANCE WITH NON-SLIDING ARCHFORM Final Rejection Lorelli Technologies LLC
18759863 ADJUSTABLE HEATLESS HAIR CURLER WITH DECORATIVE ELEMENTS AND METHODS FOR USE THEREOF Non-Final OA Daisy Dani Enterprise, LLC
17847894 IMPLANTABLE OBJECTS, GUIDING DEVICES, AND METHODS OF USE THEREOF Final Rejection RevBio, Inc.
18693535 Dental Braces Non-Final OA SHANGHAI NINTH PEOPLE'S HOSPITAL, SHANGHAI JIAOTONG UNIVERSITY SCHOOL OF MEDICINE
18402836 BRUSH HEAD AND ELECTRIC TOOTHBRUSH Non-Final OA GUANGZHOU STARS PULSE CO., LTD.
18449465 THREE-DIMENSIONAL PRINTED DENTAL APPLIANCES USING SUPPORT STRUCTURES Non-Final OA uLab Systems Inc.
18268503 Docking Trash Can for Automated Robotic Vacuum System and Method Final Rejection Terry G. Jones
18306503 UNIVERSAL ALIGNING ADAPTOR SYSTEM AND METHODS Final Rejection ADVANCED IMPLANT INTELLECTUAL PROPERTIES, LLC
18008057 CLEANING KIT HAVING A SOLUTE Final Rejection Berkshire Holding Corporation
18059903 MODEL FOR PRE-PROCEDURE VERIFICATION OF DENTAL TREATMENT PLAN, PRE-PROCEDURE VERIFICATION INSTRUMENT OF DENTAL TREATMENT PLAN, METHOD OF MANUFACTURING MODEL FOR PRE-PROCEDURE VERIFICATION OF DENTAL TREATMENT PLAN, PRE-PROCEDURE VERIFICATION SYSTEM OF DENTAL TREATMENT PLAN, AND NON-TRANSITORY STORAGE MEDIUM Final Rejection lookin Co., Ltd
17884133 IMPLANT Non-Final OA SENTRONIC INTERNATIONAL CORP.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month