Prosecution Insights
Last updated: October 27, 2026

Maximilian Tobias Spencer, USPTO Patent Examiner

Listed by the USPTO as SPENCER, MAXIMILIAN TOBIAS

Tech Center 3700 • Art Units: 3771 3774 3796

This examiner grants 34% of resolved cases

Analysis

SPENCER, MAXIMILIAN TOBIAS works in USPTO Technology Center 3700, Art Unit 3771. The profile covers 70 resolved cases, with an allowance rate of 34.3% and a median of 1162 days to allowance. The interview lift is 32.7%, making interviews a material part of the prosecution picture alongside a relatively low allowance rate.

The listed company base includes Edwards Lifesciences Corporation, Ottobock SE & Co. KGaA, and Ossur Iceland ehf. The leading firms are FOLEY & LARDNER LLP, GOODWIN PROCTER LLP, and ANDRUS INTELLECTUAL PROPERTY LAW, LLP. Practitioners handling matters here can use the profile to calibrate expectations for timing, allowance outcomes, and the potential value of examiner interviews.

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

Performance Statistics

34.3%
Allow Rate
-35.7% vs TC avg
121
Total Applications
+32.7%
Interview Lift
1162
Avg Prosecution Days
Based on 70 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
18.2%
§102 Novelty
61.3%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17961842 PROSTHETIC LINER AND ADDITIVE MANUFACTURING SYSTEM, METHOD, AND CORRESPONDING COMPONENTS FOR MAKING SUCH PROSTHETIC LINER Final Rejection OSSUR ICELAND EHF
18962725 STENT WITH ATRAUMATIC ANCHORING Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18966929 TAVI Inflation with Auto-adjustment for Material and Processing Variation Non-Final OA St. Jude Medical, Cardiology Division, Inc.
17677421 CONTAINER FOR BONE MATERIAL STORAGE, MIXING AND DELIVERY Final Rejection Warsaw Orthopedic, Inc.
18305136 PROSTHETIC VALVE DOCKING DEVICE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
17671180 PROSTHETIC HEART VALVES Non-Final OA Edwards Lifesciences Corporation
17762839 ANCHORS FOR MITRAL CHORDAE REPAIR Final Rejection W. L. Gore & Associates, Inc.
18249938 SOLUTION ELECTROWRITING Non-Final OA CORNELL UNIVERSITY
18778077 ISOTROPIC SURGICAL IMPLANTS WITH FLOW-DEPOSITED CERAMIC PARTICLES Non-Final OA Orthomod LLC
18252484 DECELLULARIZED TISSUE/POLYMER MULTI-COMPONENT BIOMATERIALS Final Rejection YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD

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Frequently Asked Questions

What is examiner Maximilian Tobias Spencer's allowance rate?

34.3% of resolved applications examined by Maximilian Tobias Spencer were allowed (70 resolved cases), compared with 65.9% across Art Unit 3771 over the last five years.

Does an interview help with examiner Maximilian Tobias Spencer?

This examiner's interview lift is +32.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Maximilian Tobias Spencer take to allow a patent?

Applications allowed by Maximilian Tobias Spencer took 1,162 days on average from filing to allowance.

Which art unit does examiner Maximilian Tobias Spencer work in?

Maximilian Tobias Spencer examines applications in Art Unit 3771 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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