Prosecution Insights
Last updated: October 27, 2026

Katherine L Fernandez, USPTO Patent Examiner

Listed by the USPTO as FERNANDEZ, KATHERINE L

Tech Center 3700 • Art Units: 3737 3768 3793 3798

This examiner grants 58% of resolved cases

Analysis

FERNANDEZ, KATHERINE L has 791 resolved cases in Tech Center 3700 and art unit 3737. The allowance rate is 58.0%, the interview lift is 37.8%, and the median time to allowance is 1567 days. The profile combines a substantial case record with a lower allowance outcome, a meaningful interview effect, and an extended median prosecution timeline.

The listed companies are Koninklijke Philips N.V., Leica Microsystems, and The Regents of the University of California. The listed firms are Ballard Spahr LLP, Boston & Galway, and Casimir Jones, S.C. Practitioners should plan for sustained prosecution activity, prepare interviews around specific claim and prior-art issues, and preserve written support for amendments intended to move cases toward allowance.

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
859
Total Applications
+37.8%
Interview Lift
1567
Avg Prosecution Days
Based on 791 resolved cases, 2023–2026

Rejection Statute Breakdown

7.4%
§101 Eligibility
15.0%
§102 Novelty
43.1%
§103 Obviousness
27.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18973585 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM Final Rejection FUJIFILM Corporation
18837097 BLOOD PRESSURE MEASUREMENT METHOD OF WEARABLE DEVICE, AND WEARABLE DEVICE Final Rejection HONOR DEVICE CO., LTD.
18875128 A DEVICE FOR USE IN THE MOUTH FOR CAPTURING IMAGES OF ORAL TISSUE Non-Final OA KONINKLIJKE PHILIPS N.V.
18867464 DIAGNOSTIC CONTAINER FOR OPTIMZED MEDICAL IMAGING Non-Final OA KONINKLIJKE PHILIPS N.V.
18713395 DETERMINING A PRESSURE-RELATED VALUE OF A MITRAL VALVE OF A HEART Final Rejection KONINKLIJKE PHILIPS N.V.
18785304 METHOD FOR AUTOMATICALLY SETTING IMAGE ACQUISITION PARAMETERS, MEDICAL OBJECT, AND MEDICAL X-RAY SYSTEM Final Rejection Siemens Healthineers AG
19299570 SYSTEM AND METHOD FOR DETECTING ACUTE BRAIN FUNCTION IMPAIRMENT Non-Final OA The General Hospital Corporation
18229137 PHOTOACOUSTIC IMAGING FOR NONINVASIVE PERIODONTAL PROBING DEPTH MEASUREMENTS Final Rejection The Regents of the University of California
19287985 GUIDING A ROBOTIC SURGICAL SYSTEM TO PERFORM A SURGICAL PROCEDURE Final Rejection IX Innovation LLC
19141003 FRACTIONAL FLOW RESERVE CALCULATION METHODS, SYSTEMS, AND STORAGE MEDIUMS Non-Final OA Canon U.S.A., Inc.
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
18676263 SYSTEM AND METHOD TO REGISTER AND CALIBRATE ULTRASOUND PROBE FOR NAVIGATION IN REAL TIME Non-Final OA Medtronic Navigation, Inc.
19124029 SYSTEMS AND METHODS TO PROVIDE HAPTIC FEEDBACK ON CLOT ENGAGEMENT Non-Final OA TERUMO CORPORATION
17391306 SELECTING A PROSTHESIS AND IDENTIFYING A LANDING ZONE FOR IMPLANTATION OF THE PROSTHESIS Final Rejection Medtronic Vascular, Inc.
18080868 ENDOSCOPIC IMAGING AND PATTERNED STIMULATION AT CELLULAR RESOLUTION Final Rejection Duke University

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Frequently Asked Questions

What is examiner Katherine L Fernandez's allowance rate?

58.0% of resolved applications examined by Katherine L Fernandez were allowed (791 resolved cases), compared with 0.0% across Art Unit 3737 over the last five years.

Does an interview help with examiner Katherine L Fernandez?

This examiner's interview lift is +37.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Katherine L Fernandez take to allow a patent?

Applications allowed by Katherine L Fernandez took 1,567 days on average from filing to allowance.

Which art unit does examiner Katherine L Fernandez work in?

Katherine L Fernandez examines applications in Art Unit 3737 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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