Prosecution Insights
Last updated: April 19, 2026

Examiner: LEWIS, RALPH A

Tech Center 3700 • Art Units: 3732 3772

This examiner grants 67% of resolved cases

Performance Statistics

67.0%
Allow Rate
-3.0% vs TC avg
1263
Total Applications
+23.7%
Interview Lift
1153
Avg Prosecution Days
Based on 1220 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
13.1%
§102 Novelty
59.4%
§103 Obviousness
6.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18980240 SYSTEMS AND METHODS INCLUDING EXPANDABLE DENTAL APPLIANCES Non-Final OA Align Technology, Inc.
18919166 DENTAL TOOLS FOR REMOVING DENTAL AUXILIARIES FROM TEETH Non-Final OA Align Technology, Inc.
18801482 METHODS OF FORMING RELEASABLE PALATAL EXPANDERS Non-Final OA Align Technology, Inc.
17990160 METHOD AND SYSTEM FOR OPTIMIZING DENTAL ALIGNER GEOMETRY Non-Final OA Align Technology, Inc.
18870304 DENTAL HANDPIECE HAVING AN IMPROVED PUSH BUTTON GUIDANCE Non-Final OA SIRONA Dental Systems GmbH
18953293 INTRA-ORAL APPLIANCE Non-Final OA Xerosguard Inc.
18866190 INTRA-ORAL DENTAL APPLIANCE Non-Final OA Xerosguard Inc.
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 Non-Final OA GALVOSURGE DENTAL AG
18920548 DENTAL ATTACHMENT ASSEMBLY CAP AND METHOD OF USE Non-Final OA ZEST IP HOLDINGS, LLC
18449465 THREE-DIMENSIONAL PRINTED DENTAL APPLIANCES USING SUPPORT STRUCTURES Non-Final OA uLab Systems Inc.
18799265 ORTHODONTIC APPLIANCE WITH NON-SLIDING ARCHFORM Non-Final OA Lorelli Technologies LLC
18466324 NON-SLIDING ORTHODONTIC ARCHFORMS Non-Final OA Lorelli Technologies LLC
18355254 SYSTEMS AND METHODS FOR GENERATING AN INTERACTIVE VISUALIZATION OF A TREATMENT PLAN Non-Final OA SDC U.S. SmilePay SPV
18749693 SYSTEM FOR VISUALIZING AT LEAST ONE THREE-DIMENSIONAL VIRTUAL MODEL OF AT LEAST PART OF A DENTITION Non-Final OA Hirsch Dynamics Holding AG
18558608 ORTHODONTIC DEVICES AND METHODS OF USE Non-Final OA Brius Technologies, Inc.
18261822 DEVICES FOR TREATING TEETH AND ASSOCIATED SYSTEMS AND METHODS Non-Final OA Brius Technologies, Inc.
18632010 Cheek Retractor Non-Final OA Tesoro IP Holding, LLC
18623608 ORTHODONTIC DEVICE, PACKAGE, PROCESS OF MANUFACTURING ORTHODONTIC DEVICE, AND PROCESS OF USING ORTHODONTIC DEVICE Non-Final OA Ornge Orthodontics Inc.
17847894 IMPLANTABLE OBJECTS, GUIDING DEVICES, AND METHODS OF USE THEREOF Non-Final OA RevBio, Inc.
18551993 ORTHODONTIC WIRE BENDING DEVICE AND METHOD Non-Final OA WINNOVE MEDICAL SAS
18447037 IMPLANTS, FUNCTIONALIZED IMPLANT SURFACES AND RELATED SYSTEMS, DEVICES, COMPUTER PROGRAM PRODUCTS, AND METHODS Non-Final OA RTRS Investment, LLC
18146583 SYSTEM AND METHOD FOR FABRICATING A DENTAL RESTORATION Final Rejection HULTGREN DENTAL TECHNOLOGIES, LLC
18078442 SELF-LIGATING CROSSED BUCCAL TUBES Non-Final OA Center of Huanzhengduowei Education & Science and Technology, Beijing
17938525 AUTOMATIC REGISTRATION OF INTRAORAL SURFACE AND VOLUMETRIC SCAN DATA FOR ORTHODONTIC TREATMENT PLANNING Non-Final OA CVSTOM Co.
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

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