Prosecution Insights
Last updated: October 26, 2026

Stefan Mikailoff, USPTO Patent Examiner

Listed by the USPTO as MIKAILOFF, STEFAN

Tech Center 2800 • Art Units: 2831 2832 2833 2834 2839

This examiner grants 43% of resolved cases

Analysis

MIKAILOFF, STEFAN is assigned to tech center 2800 and art unit 2831. The record includes 462 resolved cases, with an allowance rate of 42.6% and a median of 920 days to allowance. The 29.0% interview lift indicates that interviews are an important potential lever in this docket, particularly where written prosecution has not produced a favorable result.

The principal companies are MILWAUKEE ELECTRIC TOOL Corporation, Honda Motor Co., Ltd., and Bayerische Motoren Werke Aktiengesellschaft. The listed firms are AMIN, TUROCY & WATSON, LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and Braxton IP PLLC. Practitioners may wish to emphasize interview readiness and focused claim presentation while accounting for the recorded allowance rate and prosecution duration.

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

Performance Statistics

42.6%
Allow Rate
-25.4% vs TC avg
481
Total Applications
+29.0%
Interview Lift
920
Avg Prosecution Days
Based on 462 resolved cases, 2023–2026

Rejection Statute Breakdown

5.5%
§101 Eligibility
9.3%
§102 Novelty
35.5%
§103 Obviousness
47.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18888722 BRUSHLESS MOTOR FOR A POWER TOOL Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
19037361 ELECTRIC APPARATUS Non-Final OA HONDA MOTOR CO., LTD.
18683317 Assembly for an Electric Machine of a Motor Vehicle, Method and Motor Vehicle Final Rejection Bayerische Motoren Werke Aktiengesellschaft

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Frequently Asked Questions

What is examiner Stefan Mikailoff's allowance rate?

42.6% of resolved applications examined by Stefan Mikailoff were allowed (462 resolved cases), compared with 72.3% across Art Unit 2831 over the last five years.

Does an interview help with examiner Stefan Mikailoff?

This examiner's interview lift is +29.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stefan Mikailoff take to allow a patent?

Applications allowed by Stefan Mikailoff took 920 days on average from filing to allowance.

Which art unit does examiner Stefan Mikailoff work in?

Stefan Mikailoff examines applications in Art Unit 2831 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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