Prosecution Insights
Last updated: April 19, 2026

Examiner: ZIEGLER, MATTHEW D

Tech Center 3700 • Art Units: 3785

This examiner grants 49% of resolved cases

Performance Statistics

48.6%
Allow Rate
-21.4% vs TC avg
273
Total Applications
+55.6%
Interview Lift
1257
Avg Prosecution Days
Based on 218 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
15.7%
§102 Novelty
50.2%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18103869 METHOD AND SYSTEM FOR PROVIDING EXERCISE PROGRAMS TO USER Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17388637 WALKING ASSISTANCE METHOD AND APPARATUSES Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18326680 CONTROL SYSTEM FOR A REHABILITATION AND EXERCISE ELECTROMECHANICAL DEVICE Non-Final OA ROM Technologies, Inc.
18178889 CONTROL SYSTEM FOR A REHABILITATION AND EXERCISE ELECTROMECHANICAL DEVICE Non-Final OA ROM Technologies, Inc.
18156523 VALVE FOR RESPIRATORY MASK Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18359787 HME AND COMPACT BREATHING APPARATUS Non-Final OA Fisher & Paykel Healthcare Limited
18331865 FLOW MIXERS FOR RESPIRATORY THERAPY SYSTEMS Non-Final OA Fisher & Paykel Healthcare Limited
17592837 Respiration Aid Final Rejection Worcester Polytechnic Institute
17762616 Device for Providing a Supporting Force for the Upper Extremities of a User, and an Exoskeleton Final Rejection Hilti Aktiengesellschaft
17250295 LOW ODOR OR NO ODOR INHALER DESICCANT POLYMER Non-Final OA CSP Technologies, Inc.
18116606 METHODS OF ALTERING THE SURFACE ENERGY OF COMPONENTS OF A MESH NEBULIZER AND MESH NEBULIZERS FORMED THEREBY Non-Final OA ACULON, INC.
18023643 DRUG DELIVERY DEVICES WITH A MULTI-DISPENSING HEAD Final Rejection JANSSEN PHARMACEUTICA NV
17296720 DEVICE FOR INHALATION-SYNCHRONISED DISPENSING OF A FLUID PRODUCT Final Rejection APTAR FRANCE SAS
18011272 SYSTEMS AND METHODS FOR COMMUNICATING AN INDICATION OF A SLEEP-RELATED EVENT TO A USER Final Rejection ResMed Sensor Technologies Limited
18115155 ORAL IRRIGATOR Non-Final OA WATER PIK, INC.
17705082 RESUSCITATION DOSING KIT Final Rejection Seattle Children's Hospital d/b/a Seattle Children's Research Institute
18459964 HALOTHERAPY ENCLOSURE SYSTEM Final Rejection HALOTHERAPY CENTER, LLC
18276147 DEVICE FOR TRANSFERRING ENERGY BETWEEN EXHALING AND INHALING PHASES Non-Final OA SRS SERVIÇOS RELACIONADOS A SAUDE LTDA
17772635 Spray Device and Force Control System Non-Final OA Medspray B.V.
18256657 IMPROVEMENTS RELATING TO FACE MASKS Non-Final OA INTERSURGICAL AG
18081434 ANESTHESIA MACHINE, VETERINARY ANESTHESIA MACHINE, AND WASTE GAS ABSORPTION TANK SUPPORTING DEVICE THEREFOR Final Rejection Shenzhen Mindray Animal Medical Technology Co., Ltd.
18144829 ERGONOMIC ELECTRIC MUSCLE MASSAGER Non-Final OA All Contours Massagers LLC
18013591 MEDICAL EQUIPMENT Non-Final OA AEROSPACEMEDTRACHEO LIMITED
18045187 Nozzle Holder Non-Final OA Merxin Ltd
17708976 NASAL SPRAY/SPOUT NOZZLE AND NASAL REST ARTICLE FOR NASAL ADMINISTRATION Non-Final OA TOKO YAKUHIN KOGYO CO., LTD.
17665268 SECOND STAGE REGULATOR FOR EMERGENCY BREATHING SYSTEMS Final Rejection ProAsia Design Co., Ltd.
17649720 MULTIFUNCTION KNEE BRACE OR SLEEVE Final Rejection G Force Braces, LLC

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