Prosecution Insights
Last updated: October 27, 2026

Stephen D Alvesteffer, USPTO Patent Examiner

Listed by the USPTO as ALVESTEFFER, STEPHEN D

Tech Center 3700 • Art Units: 2171 2175 3715 3796

This examiner grants 57% of resolved cases

Analysis

ALVESTEFFER, STEPHEN D is assigned to tech center 3700 and art unit 2171. The profile contains 450 resolved cases, a 57.3% allowance rate, and a 1499-day median time to allowance. The interview lift is 24.6%, showing a positive association that may make interview preparation useful in appropriate matters. The allowance result indicates that interviews operate within a record where outcomes are not uniformly favorable, and the timing points to prolonged prosecution.

Aristocrat Technologies Inc., Shl Medical AG, and Wipebook Corp. are the listed companies. The listed firms are CALDWELL LLC, MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP, and NEXUS LAW GROUP LLP. Portfolio counsel should combine interview planning with careful written claim analysis and should advise clients that the median period to allowance is extended.

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

Performance Statistics

57.3%
Allow Rate
-12.7% vs TC avg
499
Total Applications
+24.6%
Interview Lift
1499
Avg Prosecution Days
Based on 450 resolved cases, 2023–2026

Rejection Statute Breakdown

19.0%
§101 Eligibility
20.0%
§102 Novelty
45.6%
§103 Obviousness
12.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18719556 IMAGE PROCESSING DEVICE INTERWORKING WITH WEIGHT TRAINING EQUIPMENT Final Rejection LG ELECTRONICS INC.
17386975 SYSTEM FOR DYNAMICALLY DETECTING ALERT CONDITIONS AND OPTIMIZATION CRITERIA Final Rejection Deere & Company
18667263 SYSTEMS, APPARATUS AND METHODS FOR DEVICE PERSONALISATION Final Rejection Sony Interactive Entertainment Inc.
17567376 FITNESS MONITORING METHODS, SYSTEMS, AND PROGRAM PRODUCTS, AND APPLICATIONS THEREOF Final Rejection adidas AG
18668093 SYSTEMS AND METHODS FOR EXECUTIVE FUNCTION REHABILITATION Final Rejection Mayo Foundation for Medical Education and Research
18972553 SYSTEMS AND METHODS FOR REPLAYING VIDEO AND INTERACTIVE EXPERIENCES Non-Final OA Adeia Guides Inc.
18980085 CONTRIBUTION AMOUNT INDEPENDENT VIDEO LOTTERY TERMINAL CASHOUT EVENT AWARD OPPORTUNITIES Non-Final OA IGT
19056580 INTEGRATED MODULAR SEATING SYSTEMS FOR ELECTRONIC GAMING SYSTEMS AND METHODS Non-Final OA Aristocrat Technologies, Inc.
19046186 GAMING SYSTEMS FOR PROVIDING A MUST HIT BY PROGRESSIVE AWARD Non-Final OA Aristocrat Technologies, Inc.
17610814 DRIVE MECHANISM FOR A RESETTABLE MEDICAMENT DELIVERY TRAINING DEVICE Final Rejection SHL MEDICAL AG
17610815 DRIVE MECHANISM FOR A MEDICAMENT DELIVERY TRAINING DEVICE Final Rejection SHL MEDICAL AG
19004192 SYSTEMS AND METHODS FOR ISSUING, TRACKING, AND REDEEMING ADVANTAGE SPIN CREDITS ACROSS MULTIPLE ELECTRONIC GAMING MACHINES, GAME THEMES, AND VENUES FOR SEAMLESS CROSS-SESSION PLAYER ENGAGEMENT AND PROMOTIONAL INCENTIVES Non-Final OA Tech (Macau) Limited

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Frequently Asked Questions

What is examiner Stephen D Alvesteffer's allowance rate?

57.3% of resolved applications examined by Stephen D Alvesteffer were allowed (450 resolved cases), compared with 56.1% across Art Unit 2171 over the last five years.

Does an interview help with examiner Stephen D Alvesteffer?

This examiner's interview lift is +24.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stephen D Alvesteffer take to allow a patent?

Applications allowed by Stephen D Alvesteffer took 1,499 days on average from filing to allowance.

Which art unit does examiner Stephen D Alvesteffer work in?

Stephen D Alvesteffer examines applications in Art Unit 2171 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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