Prosecution Insights
Last updated: October 26, 2026

Sean D Mattson, USPTO Patent Examiner

Listed by the USPTO as MATTSON, SEAN D

Tech Center 3700 • Art Units: 3737 3768 3793 3796 3798

This examiner grants 67% of resolved cases

Analysis

Sean D Mattson has resolved 377 cases in Art Unit 3737. His allowance rate is 67.4%, and he features a very high interview lift of 42.2%. This lift is a significant metric in his profile, suggesting that interviews are nearly essential for success compared to the baseline allowance rate. The median days to allowance is 1219 within Tech Center 3700.

Sony Group Corporation, Koninklijke Philips N.V., and Siemens Healthineers AG are top companies in his art unit. CHIP LAW GROUP, Fox Rothschild LLP, and HARNESS, DICKEY & PIERCE, P.L.C. are among the most active firms. The 42.2% interview lift should be the primary focus for any practitioner handling a case before him. Given the 1219 days median pendency, direct communication is a key strategy to expedite prosecution.

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

Performance Statistics

67.4%
Allow Rate
-2.6% vs TC avg
419
Total Applications
+42.2%
Interview Lift
1219
Avg Prosecution Days
Based on 377 resolved cases, 2023–2026

Rejection Statute Breakdown

9.1%
§101 Eligibility
9.0%
§102 Novelty
42.2%
§103 Obviousness
34.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19000717 RECEIVE COIL UNIT, MEDICAL IMAGE DIAGNOSTIC SYSTEM, AND COIL COVER Final Rejection FUJIFILM Corporation
18889045 RADIOGRAPHIC IMAGING SYSTEM, INFORMATION PROCESSING DEVICE AND METHOD OF CONTROLLING SAME, AND PROGRAM Final Rejection CANON KABUSHIKI KAISHA
18069976 SYSTEMS AND METHODS FOR IMAGE-BASED ANALYSIS OF ANATOMICAL FEATURES Final Rejection Stryker Corporation
18877132 REAL-TIME STAPLING TISSUE PERFUSION ASSESSMENT Non-Final OA Covidien LP
19103212 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM Final Rejection SONY GROUP CORPORATION
18982919 INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD Non-Final OA SONY GROUP CORPORATION
18881341 APPARATUS FOR TRACING A CATHETER Final Rejection KONINKLIJKE PHILIPS N.V.
18964802 ASSESSMENT OF MEASURED TOMOGRAPHIC DATA Non-Final OA KONINKLIJKE PHILIPS N.V.
18783973 OPERATING METHOD AND SYSTEM FOR AN X-RAY FACILITY FOR CREATING RECONSTRUCTED IMAGES OF A BODY REGION Non-Final OA Siemens Healthineers AG
18751804 ADAPTIVE CLUTTER FILTERING IN ULTRASOUND COLOR IMAGING Non-Final OA Siemens Medical Solutions USA, Inc.
19041229 PROCESSING DEVICE, ENDOSCOPE SYSTEM, DETECTION VALUE CALCULATION METHOD AND COMPUTER-READABLE RECORDING MEDIUM Final Rejection OLYMPUS MEDICAL SYSTEMS CORP.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Sean D Mattson's allowance rate?

67.4% of resolved applications examined by Sean D Mattson were allowed (377 resolved cases), compared with 0.0% across Art Unit 3737 over the last five years.

Does an interview help with examiner Sean D Mattson?

This examiner's interview lift is +42.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sean D Mattson take to allow a patent?

Applications allowed by Sean D Mattson took 1,219 days on average from filing to allowance.

Which art unit does examiner Sean D Mattson work in?

Sean D Mattson examines applications in Art Unit 3737 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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