Prosecution Insights
Last updated: October 25, 2026

Christine M Achen Zimmerman, USPTO Patent Examiner

Listed by the USPTO as ACHEN ZIMMERMAN, CHRISTINE M

Tech Center 2900 • Art Units: 2937 2938

This examiner grants 93% of resolved cases

Analysis

Christine M Achen Zimmerman has 30 resolved cases in Tech Center 2900 and Art Unit 2937. The examiner has an allowance rate of 93.3 percent. The median days to allowance is 630, reflecting the prosecution timeline. An interview lift of 7.7 percent is observed in the data. These metrics indicate an efficient environment for patent applicants in this art unit.

Top companies appearing before this examiner include Bernd Braune and Vorwerk & Co. Interholding GmbH. Secant IP, PLLC is the primary firm listed in the data for these proceedings. Although the 30 resolved cases represent a small sample, the 93.3 percent allowance rate is a metric for success. The 630 median days to allowance suggests that cases move through the system. The 7.7 percent interview lift indicates that while interviews are available, they may not be as critical given the probability of allowance in Art Unit 2937.

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

Performance Statistics

93.3%
Allow Rate
+33.3% vs TC avg
35
Total Applications
+7.7%
Interview Lift
630
Avg Prosecution Days
Based on 30 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
8.3%
§102 Novelty
2.8%
§103 Obviousness
83.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
35527073 Part of coffee or kitchen grinders, non-electric household Non-Final OA Bernd Braune
35527059 Part of coffee or kitchen grinders, non-electric household Non-Final OA Bernd Braune
35527056 Part of coffee or kitchen grinders, non-electric household Non-Final OA Bernd Braune
35526837 Accessory for food processors Non-Final OA Vorwerk & Co. Interholding GmbH
35526879 Accessory for food processors Non-Final OA Vorwerk & Co. Interholding GmbH

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Who Appears Before This Examiner

Top companies before this examiner

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Frequently Asked Questions

What is examiner Christine M Achen Zimmerman's allowance rate?

93.3% of resolved applications examined by Christine M Achen Zimmerman were allowed (30 resolved cases), compared with 99.8% across Art Unit 2937 over the last five years.

Does an interview help with examiner Christine M Achen Zimmerman?

This examiner's interview lift is +7.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christine M Achen Zimmerman take to allow a patent?

Applications allowed by Christine M Achen Zimmerman took 630 days on average from filing to allowance.

Which art unit does examiner Christine M Achen Zimmerman work in?

Christine M Achen Zimmerman examines applications in Art Unit 2937 in Tech Center 2900.

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