Prosecution Insights
Last updated: April 19, 2026

Examiner: KELLOGG, MICHAEL S

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

This examiner grants 42% of resolved cases

Performance Statistics

42.5%
Allow Rate
-27.5% vs TC avg
298
Total Applications
+55.8%
Interview Lift
1647
Avg Prosecution Days
Based on 268 resolved cases, 2023–2026

Rejection Statute Breakdown

8.2%
§101 Eligibility
20.6%
§102 Novelty
34.5%
§103 Obviousness
33.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17321722 PHOTOACOUSTIC ION INDICATORS Final Rejection Arizona Board of Regents on behalf of Arizona State University
17443848 ULTRASONIC PROBE Non-Final OA CANON MEDICAL SYSTEMS CORPORATION
18282270 ROBUST SURGICAL SCENE DEPTH ESTIMATION USING ENDOSCOPY Non-Final OA Covidien LP
16768170 FLEXIBLE TIP FOR INTRALUMINAL IMAGING DEVICE AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS Non-Final OA KONINKLIJKE PHILIPS N.V.
18543277 WEARABLE ULTRASOUND AND PHOTOACOUSTIC DEVICE FOR FETAL AND/OR LABOR MONITORING Non-Final OA The Johns Hopkins University
15128152 QUANTITATIVE TISSUE PROPERTY MAPPING FOR REAL TIME TUMOR DETECTION AND INTERVENTIONAL GUIDANCE Non-Final OA THE JOHNS HOPKINS UNIVERSITY
17023726 Navigated Surgical Instrument Non-Final OA Medtronic Navigation, Inc.
17222549 MEDICAL SHEATH ASSEMBLY Non-Final OA Boston Scientific Medical Device Limited
17383507 Multi-Modal Contrast Agent For Medical Imaging Final Rejection Board of Trustees of Michigan State University
18752486 Dynamic Calibration of Light Intensity in a System For Non-invasive Detection of Skin Cancer Using Elastic Scattering Spectroscopy Non-Final OA DermaSensor, Inc.
18541745 OVER-THE-WIRE MEDICAL TOOL POSITIONING DEVICES, SYSTEMS,AND METHODS OF USE AND MANUFACTURE Non-Final OA NuVera Medical, 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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