Prosecution Insights
Last updated: October 26, 2026

Andrew James Marien, USPTO Patent Examiner

Listed by the USPTO as MARIEN, ANDREW JAMES

Tech Center 3700 • Art Units: 1744 3745

This examiner grants 80% of resolved cases

Analysis

MARIEN, ANDREW JAMES is assigned to tech center 3700 and art unit 1744. The profile covers 310 resolved cases, an 80.0% allowance rate, and a median of 777 days to allowance. The 15.0% interview lift indicates a positive association between interviews and allowance outcomes.

The recurring companies are General Electric Company, Vestas Wind Systems A/S, and Sharkninja Operating LLC. The listed firms are ALIX, YALE & RISTAS, LLP, ALSTON & BIRD LLP, and Chrisman Gallo Tochtrop LLC. The profile combines a favorable allowance rate with a median timing useful for prosecution scheduling.

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

Performance Statistics

80.0%
Allow Rate
+10.0% vs TC avg
329
Total Applications
+15.0%
Interview Lift
777
Avg Prosecution Days
Based on 310 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
24.0%
§102 Novelty
47.3%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19140589 WIND TURBINE BLADE WITH A DEICING SYSTEM Non-Final OA LM WIND POWER A/S

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Frequently Asked Questions

What is examiner Andrew James Marien's allowance rate?

80.0% of resolved applications examined by Andrew James Marien were allowed (310 resolved cases), compared with 48.7% across Art Unit 1744 over the last five years.

Does an interview help with examiner Andrew James Marien?

This examiner's interview lift is +15.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Andrew James Marien take to allow a patent?

Applications allowed by Andrew James Marien took 777 days on average from filing to allowance.

Which art unit does examiner Andrew James Marien work in?

Andrew James Marien examines applications in Art Unit 1744 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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