Prosecution Insights
Last updated: October 25, 2026

Elisabeth Minnema Lange, USPTO Patent Examiner

Listed by the USPTO as LANGE, ELISABETH MINNEMA

Tech Center 2900 • Art Units: 2931 2938 2939

This examiner grants 100% of resolved cases

Analysis

Elisabeth Minnema Lange has managed 2 resolved cases in Art Unit 2931. Both cases resulted in an allowance, yielding a 100.0% allowance rate within Tech Center 2900. The median days to allowance for these files is 859. This 859-day figure serves as the current benchmark for pendency in this examiner's docket. Applicants should note that the 100.0% allowance rate is based on the 2 resolved cases currently recorded.

The interview lift is 0.0%, indicating that interviews did not change the outcome for the cases resolved. Top companies appearing before this examiner include Molteni & C S P A, Washtower Ip B V, and CKnapp Sales Inc. Firms like HANLEY, FLIGHT & ZIMMERMAN, LLC and WOODARD, EMHARDT, HENRY, REEVES & WAGNER, LLP have handled prosecution in this environment. While the 100.0% allowance rate is the baseline, the 0.0% lift suggests that the examiner's initial findings were already favorable. Practitioners should monitor how the 859 days median pendency evolves as more cases are resolved in Art Unit 2931.

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

Performance Statistics

100.0%
Allow Rate
+40.0% vs TC avg
6
Total Applications
+0.0%
Interview Lift
859
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
33.3%
§102 Novelty
11.1%
§103 Obviousness
55.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
35526914 Composite furniture for kitchen Non-Final OA Molteni & C. S.p.A.
35526796 Cupboard for a washing machine Non-Final OA Washtower IP B.V.
29920460 DRAWER Final Rejection CKnapp Sales, Inc.

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Frequently Asked Questions

What is examiner Elisabeth Minnema Lange's allowance rate?

100.0% of resolved applications examined by Elisabeth Minnema Lange were allowed (2 resolved cases), compared with 97.7% across Art Unit 2931 over the last five years.

Does an interview help with examiner Elisabeth Minnema Lange?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elisabeth Minnema Lange take to allow a patent?

Applications allowed by Elisabeth Minnema Lange took 859 days on average from filing to allowance.

Which art unit does examiner Elisabeth Minnema Lange work in?

Elisabeth Minnema Lange examines applications in Art Unit 2931 in Tech Center 2900.

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