Prosecution Insights
Last updated: October 27, 2026

Sanjay Cattungal, USPTO Patent Examiner

Listed by the USPTO as CATTUNGAL, SANJAY

Tech Center 3700 • Art Units: 3737 3768 3793 3795 3798

This examiner grants 83% of resolved cases

Analysis

CATTUNGAL, SANJAY is assigned to tech center 3700 and art unit 3737. The record contains 1044 resolved cases, an 83.4% allowance rate, and a 1126-day median to allowance. The 10.1% interview lift indicates a positive but limited association between interviews and allowance outcomes.

The principal companies are Precision Healing, LLC, Stryker Corporation, and Covidien L.P. The leading firms are Adams Intellex, PLC, SEAGER, TUFTE & WICKHEM, LLP, and Bradley Arant Boult Cummings LLP. The substantial record and high allowance rate provide useful planning context, while the median time to allowance supports preparing for continued prosecution rather than assuming immediate resolution.

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

Performance Statistics

83.4%
Allow Rate
+13.4% vs TC avg
1,078
Total Applications
+10.1%
Interview Lift
1126
Avg Prosecution Days
Based on 1044 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
30.3%
§102 Novelty
35.6%
§103 Obviousness
6.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17238024 METHODS AND SYSTEMS FOR CHARACTERIZING TISSUE OF A SUBJECT UTILIZING MACHINE LEARNING Non-Final OA Stryker Corporation
19254637 Fiber Optic Medical Systems and Methods for Identifying Blood Vessels Non-Final OA Bard Access Systems, Inc.
18288693 IMPROVED SYSTEMS AND METHODS OF NAVIGATING A MEDICAL DEVICE IN A BODY LUMEN USING FUZZY LOGIC COMBINED WITH DEVICE PARAMETERS, DIRECT USER INPUTS, AND DISTRIBUTED ANONYMIZED DATA Non-Final OA Covidien LP
18411774 CLICK-TO-CORRECT FOR AUTOMATIC VESSEL LUMEN BORDER TRACING Final Rejection Boston Scientific Scimed Inc.
19025799 SURGICAL SYSTEM WITH MULTI-MODALITY IMAGE DISPLAY Non-Final OA Intuitive Surgical Operations, Inc.
18883001 ULTRASOUND INTERFACE UNIT AND METHOD Non-Final OA KONINKLIJKE PHILIPS N.V.
18631503 ULTRASOUND DIAGNOSTIC APPARATUS, NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM STORING ULTRASOUND DIAGNOSTIC PROGRAM, AND CONTROL METHOD OF ULTRASOUND DIAGNOSTIC APPARATUS Non-Final OA KONICA MINOLTA, INC.
17935945 AUTOMATIC PLANNING AND GUIDANCE OF LIVER TUMOR THERMAL ABLATION USING AI AGENTS TRAINED WITH DEEP REINFORCEMENT LEARNING Non-Final OA SIEMENS HEALTHINEERS AG
19342452 COMPUTATIONAL SIMULATIONS OF ANATOMICAL STRUCTURES AND BODY SURFACE ELECTRODE POSITIONING Non-Final OA The Regents of the University of California
19307968 MEDICAL DEVICE Non-Final OA Smith & Nephew, Inc.

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Frequently Asked Questions

What is examiner Sanjay Cattungal's allowance rate?

83.4% of resolved applications examined by Sanjay Cattungal were allowed (1,044 resolved cases), compared with 0.0% across Art Unit 3737 over the last five years.

Does an interview help with examiner Sanjay Cattungal?

This examiner's interview lift is +10.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sanjay Cattungal take to allow a patent?

Applications allowed by Sanjay Cattungal took 1,126 days on average from filing to allowance.

Which art unit does examiner Sanjay Cattungal work in?

Sanjay Cattungal examines applications in Art Unit 3737 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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