Prosecution Insights
Last updated: October 02, 2026

Examiner: FERNANDEZ, KATHERINE L

Tech Center 3700 • Art Units: 3737 3768 3793 3798

This examiner grants 58% of resolved cases

Analysis

Katherine L Fernandez serves in Tech Center 3700 and Art Unit 3737, with 788 resolved cases. Her allowance rate is 58.0 percent. This rate indicates a moderate level of success for applicants seeking patent protection in this art unit. The 58.0 percent allowance rate provides a benchmark for the likelihood of achieving a grant during the examination process.

The interview lift is 37.9 percent. This is a significant lift, suggesting that interviews are a highly effective tool for advancing prosecution and increasing the probability of allowance. With 788 resolved cases, the data supports the idea that verbal communication can help resolve technical disagreements. Practitioners should utilize the 37.9 percent lift to clarify complex issues that may be difficult to address in writing.

The median days to allowance is 1569. This timeframe suggests that the examination process is thorough and takes over 1569 days on average. Practitioners should plan for an engagement that spans this duration, keeping in mind the 58.0 percent allowance rate and the substantial benefits of the 37.9 percent interview lift. The 1569-day median reflects the duration required to navigate the complexities of this art unit.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

58.0%
Allow Rate
-12.0% vs TC avg
848
Total Applications
+37.9%
Interview Lift
1569
Avg Prosecution Days
Based on 788 resolved cases, 2023–2026

Rejection Statute Breakdown

7.3%
§101 Eligibility
14.8%
§102 Novelty
43.4%
§103 Obviousness
27.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19398059 ULTRASOUND DIAGNOSTIC APPARATUS Non-Final OA FUJIFILM Corporation
18973585 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM Final Rejection FUJIFILM Corporation
19049986 Steerable Fiber Optic Shape Sensing Enabled Elongated Medical Instrument Non-Final OA Bard Access Systems, Inc.
19434780 Technique For Displaying Medical Image Data Indicative Of A Patient Anatomy Having Multiple Connected Parts Non-Final OA Stryker European Operations Limited
19141003 FRACTIONAL FLOW RESERVE CALCULATION METHODS, SYSTEMS, AND STORAGE MEDIUMS Non-Final OA Canon U.S.A., Inc.
18875128 A DEVICE FOR USE IN THE MOUTH FOR CAPTURING IMAGES OF ORAL TISSUE Non-Final OA KONINKLIJKE PHILIPS N.V.
18869020 PROCESSING SEQUENCES OF ULTRASOUND IMAGES Final Rejection KONINKLIJKE PHILIPS N.V.
18713395 DETERMINING A PRESSURE-RELATED VALUE OF A MITRAL VALVE OF A HEART Final Rejection KONINKLIJKE PHILIPS N.V.
18715781 PHOTOACOUSTIC MONITORING OF ANGIOGENESIS FOR PREDICTING RESPONSE TO THERAPY IN HEALING WOUNDS Non-Final OA The Regents of the University of California
18229137 PHOTOACOUSTIC IMAGING FOR NONINVASIVE PERIODONTAL PROBING DEPTH MEASUREMENTS Final Rejection The Regents of the University of California
18785304 METHOD FOR AUTOMATICALLY SETTING IMAGE ACQUISITION PARAMETERS, MEDICAL OBJECT, AND MEDICAL X-RAY SYSTEM Final Rejection Siemens Healthineers AG
18821133 METHOD AND SYSTEM FOR SECURING AN ULTRASOUND PROBE OF A WEARABLE ULTRASOUND PROBE SYSTEM TO A PATIENT AT A DESIRED POSITION Final Rejection GE Precision Healthcare LLC
18837097 BLOOD PRESSURE MEASUREMENT METHOD OF WEARABLE DEVICE, AND WEARABLE DEVICE Final Rejection HONOR DEVICE CO., LTD.
18934954 PHYSIOLOGICAL METRICS FOR DETERMINING STROKE RISK Final Rejection University of Southern California
19299570 SYSTEM AND METHOD FOR DETECTING ACUTE BRAIN FUNCTION IMPAIRMENT Non-Final OA The General Hospital Corporation
18891981 MACHINE AND PROCESS FOR INSERTING A PROBE IN A BRAIN Non-Final OA Board of Regents, The University of Texas System
17170173 SYSTEM, METHOD, AND COMPUTER-ACCESSIBLE MEDIUM FOR MAGNETIC RESONANCE VALUE DRIVEN AUTONOMOUS SCANNER Non-Final OA The Trustees of Columbia University in the City of New York
17391306 SELECTING A PROSTHESIS AND IDENTIFYING A LANDING ZONE FOR IMPLANTATION OF THE PROSTHESIS Final Rejection Medtronic Vascular, Inc.
18745131 SYSTEM AND METHOD FOR BREAST CANCER DETECTION USING CO-LOCALIZED ULTRASOUND-MAMMOGRAPHY Final Rejection Thomas Jefferson University
18080868 ENDOSCOPIC IMAGING AND PATTERNED STIMULATION AT CELLULAR RESOLUTION Final Rejection Duke University

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