Prosecution Insights
Last updated: October 27, 2026

Maureen Wallenhorst, USPTO Patent Examiner

Listed by the USPTO as WALLENHORST, MAUREEN

Tech Center 1700 • Art Units: 1672 1678 1681 1777 1797

This examiner grants 79% of resolved cases

Analysis

WALLENHORST, MAUREEN is assigned to Tech Center 1700 and Art Unit 1672, with 1418 resolved cases. The allowance rate is 78.9%, and the median time to allowance is 792 days. Interview lift is 5.9%, indicating a modest positive association between interviews and allowance outcomes.

Canon Inc., The Boeing Company, and Mayo Foundation for Medical Education and Research are the leading companies. Clark+Elbing LLP, FAEGRE DRINKER BIDDLE & REATH LLP (DC), and FERENCE & ASSOCIATES LLC are the leading firms. The substantial case volume and shorter median timing support efficient written prosecution, with interviews used selectively for unresolved issues.

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

Performance Statistics

78.9%
Allow Rate
+13.9% vs TC avg
1,449
Total Applications
+5.9%
Interview Lift
792
Avg Prosecution Days
Based on 1418 resolved cases, 2023–2026

Rejection Statute Breakdown

5.8%
§101 Eligibility
16.8%
§102 Novelty
31.4%
§103 Obviousness
35.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18434924 AUTOMATIC ANALYZER AND METHOD FOR DETECTING ADHESION OF LIQUID DROPLET TO PROBE Non-Final OA CANON KABUSHIKI KAISHA
18736888 Real Time Tack Quality Assessment for Unconsolidated Composite Materials Non-Final OA The Boeing Company
18206447 SYSTEMS FOR RECONSTITUTING DRIED REAGENT COMPOSITIONS AND METHODS FOR USING THE SAME Non-Final OA Becton, Dickinson and Company
18214232 TUNNELING JUNCTIONS FOR SEQUENCING Final Rejection Roche Sequencing Solutions, Inc.
18389287 METHOD FOR DETERMINING PROSTATE CANCER Final Rejection HAMAMATSU PHOTONICS K.K.
17641689 METHOD AND KIT FOR QUANTIFICATION OF SMALL, DENSE LDL CHOLESTEROL Non-Final OA Denka Company Limited
17950415 IRON MITIGATION ZINC MEASUREMENT Non-Final OA Hach Company
18543136 FILTRATION SAMPLING METHODS Non-Final OA HERO SCIENTIFIC LTD.

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Frequently Asked Questions

What is examiner Maureen Wallenhorst's allowance rate?

78.9% of resolved applications examined by Maureen Wallenhorst were allowed (1,418 resolved cases), compared with 38.3% across Art Unit 1672 over the last five years.

Does an interview help with examiner Maureen Wallenhorst?

This examiner's interview lift is +5.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Maureen Wallenhorst take to allow a patent?

Applications allowed by Maureen Wallenhorst took 792 days on average from filing to allowance.

Which art unit does examiner Maureen Wallenhorst work in?

Maureen Wallenhorst examines applications in Art Unit 1672 in Tech Center 1700 (Chemistry & Materials).

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