Prosecution Insights
Last updated: May 29, 2026

Examiner: LEWIS, RALPH A

Tech Center 3700 • Art Units: 3715 3732 3772

This examiner grants 67% of resolved cases

Performance Statistics

67.0%
Allow Rate
-3.0% vs TC avg
1,268
Total Applications
+23.4%
Interview Lift
1094
Avg Prosecution Days
Based on 1225 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
12.0%
§102 Novelty
74.9%
§103 Obviousness
2.5%
§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.
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
18854554 DENTAL TREATMENT SYSTEM AND METHOD USING AI TECHNOLOGY Non-Final OA UA ROBOTICS CO., LTD.
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
18665272 VIRTUAL DENTAL BRIDGE Non-Final OA James R. Glidewell Dental Ceramics, Inc.
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.
18632010 Cheek Retractor Non-Final OA Tesoro IP Holding, LLC
18551993 ORTHODONTIC WIRE BENDING DEVICE AND METHOD Non-Final OA WINNOVE MEDICAL SAS
18146583 SYSTEM AND METHOD FOR FABRICATING A DENTAL RESTORATION Final Rejection HULTGREN DENTAL TECHNOLOGIES, LLC
18026383 COMPOSITE ORTHODONTIC SPACER Non-Final OA SPECIFIC DIVE JUKE 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.

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