Prosecution Insights
Last updated: May 29, 2026

Examiner: SIPPEL, RACHEL T

Tech Center 3700 • Art Units: 3771 3785

This examiner grants 52% of resolved cases

Performance Statistics

52.3%
Allow Rate
-17.7% vs TC avg
838
Total Applications
+57.7%
Interview Lift
1412
Avg Prosecution Days
Based on 798 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
4.0%
§102 Novelty
85.4%
§103 Obviousness
1.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18467576 NASAL CANNULA WITH FLOW RESTRICTOR Non-Final OA Fisher & Paykel Healthcare Limited
18452144 HIP JOINT AND ANKLE CONNECTING TYPE GAIT ASSISTANCE APPARATUS Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18006273 IMPROVEMENTS IN AIR DELIVERY DEVICES Final Rejection BAE SYSTEMS plc
18312837 COMPRESSION GARMENT Final Rejection Koya Medical, Inc.
17964392 VOICE PROSTHESIS WITH UMBRELLA VALVE Non-Final OA Freudenberg Medical, LLC
18282735 FILTER DEVICE FOR CLEANING AIR, EMBODIED AS A FACE MASK Non-Final OA Universität Kassel
18319107 WEARABLE GARMENT FOR MUSCLE STIMULATION Non-Final OA Villanova University
18016646 SLEEP ASSISTING DEVICE AND METHOD OF CONTROLLING SLEEP ASSISTING DEVICE Non-Final OA NYX INC.
18002737 ACCESSORY DEVICE FOR FACE COVERINGS Final Rejection I.T.P. S.R.L. INNOVATION & TECHNOLOGY PROVIDER
18001288 HIGH QUALITY MASK Final Rejection NANA PRODUCTS LLC
17923511 ENDOTRACHEAL TUBE CUFF WITH INTEGRATED SENSORS Non-Final OA Arkansas Children's Hospital Research Institute
17603646 AEROSOLIZED COMPOSITIONS COMPRISING MITOCHONDRIA AND METHODS OF USE THEREOF Final Rejection Children`s Medical Center Corporation
17709517 INTUBATION ASSEMBLY TO PROTECT FROM AIRBORNE ILLNESSES Final Rejection SafER Medical Products, LLC
17479159 AIR FILTERING SURGICAL HELMET Non-Final OA Northwell Health, Inc.

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