Prosecution Insights
Last updated: May 29, 2026

Examiner: KELLOGG, MICHAEL S

Tech Center 3700 • Art Units: 3737 3768 3791 3793 3798

This examiner grants 42% of resolved cases

Performance Statistics

42.1%
Allow Rate
-27.9% vs TC avg
298
Total Applications
+55.5%
Interview Lift
1473
Avg Prosecution Days
Based on 271 resolved cases, 2023–2026

Rejection Statute Breakdown

3.3%
§101 Eligibility
8.9%
§102 Novelty
71.5%
§103 Obviousness
13.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16768170 FLEXIBLE TIP FOR INTRALUMINAL IMAGING DEVICE AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS Non-Final OA KONINKLIJKE PHILIPS N.V.
17837376 Technique For Determining Poses Of Tracked Vertebrae Final Rejection Stryker European Operations Limited
18282270 ROBUST SURGICAL SCENE DEPTH ESTIMATION USING ENDOSCOPY Non-Final OA Covidien LP
15128152 QUANTITATIVE TISSUE PROPERTY MAPPING FOR REAL TIME TUMOR DETECTION AND INTERVENTIONAL GUIDANCE Non-Final OA THE JOHNS HOPKINS UNIVERSITY
17443848 ULTRASONIC PROBE Non-Final OA CANON MEDICAL SYSTEMS CORPORATION
18541745 OVER-THE-WIRE MEDICAL TOOL POSITIONING DEVICES, SYSTEMS,AND METHODS OF USE AND MANUFACTURE Non-Final OA NuVera Medical, Inc.
17383507 Multi-Modal Contrast Agent For Medical Imaging Final Rejection Board of Trustees of Michigan State University
15810818 Method And System For Dose-Less Attenuation Correction For PET And SPECT Non-Final OA Siemens Medical Solutions USA, Inc.
18349406 APPARATUSES AND METHODS FOR USE IN ULTRASOUND OPTICAL IMAGING Non-Final OA UCL BUSINESS LTD
18264990 METHOD OF MEASURING TISSUE ELEMENT, DEVICE OF MEASURING TISSUE ELEMENT, AND WEARABLE APPARATUS Final Rejection SUNRISE TECHNOLOGIES CO., LTD.
17503544 IMAGING PROBE WITH COMBINED ULTRASOUND AND OPTICAL MEANS OF IMAGING Non-Final OA SUNNYBROOK HEALTH SCIENCES CENTRE
17383003 SYSTEM AND METHOD TO DETECT AND TRACK CELLULAR CHANGES IN HEALTHY BREAST TISSUE ASSOCIATED WITH BREAST DENSITY, MENOPAUSAL STATUS AND AGE Non-Final OA Translational Research Institute Pty Ltd as trustee for Translational Research Institute Trust

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