Prosecution Insights
Last updated: October 26, 2026

Eric A Lange, USPTO Patent Examiner

Listed by the USPTO as LANGE, ERIC A

Tech Center 3700 • Art Units: 3745 3783

This examiner grants 78% of resolved cases

Analysis

LANGE, ERIC A is assigned to Tech Center 3700 and art unit 3745. The profile records 192 resolved cases and an allowance rate of 77.6%. The median time to allowance is 838 days. Interviews are associated with a 12.7% lift in the allowance rate, making interview planning a relevant consideration when developing a prosecution approach for this docket.

The listed companies are Becton, Dickinson and Company, Mayo Foundation for Medical Education and Research, and Abiomed Inc. The listed firms are BACHMAN & LAPOINTE, P.C., BLANK ROME LLP, and BOTOS CHURCHILL IP LAW LLP-ABIO. These appearances can help applicants identify counsel with experience before the examiner and understand the technology communities represented in the record. The aggregate figures should guide planning, not replace claim-specific analysis.

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

Performance Statistics

77.6%
Allow Rate
+7.6% vs TC avg
214
Total Applications
+12.7%
Interview Lift
838
Avg Prosecution Days
Based on 192 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
26.4%
§102 Novelty
48.9%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18392305 CATHETER SYSTEM WITH CONTROL MECHANISM Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18293191 SUPPORT DEVICE FOR MEDICATION DELIVERY DEVICE Non-Final OA Becton, Dickinson and Company
17612196 Sheath Stabilizer, Sheath-And-Stabilizer Assembly, And Methods Thereof Final Rejection Becton, Dickinson and Company
18698937 IMPELLER AND PUMP Final Rejection EBARA CORPORATION
18205195 INFUSION PUMP WITH CAM SHAFT ENCODER Non-Final OA B. Braun Medical Inc.

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Frequently Asked Questions

What is examiner Eric A Lange's allowance rate?

77.6% of resolved applications examined by Eric A Lange were allowed (192 resolved cases), compared with 64.8% across Art Unit 3745 over the last five years.

Does an interview help with examiner Eric A Lange?

This examiner's interview lift is +12.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eric A Lange take to allow a patent?

Applications allowed by Eric A Lange took 838 days on average from filing to allowance.

Which art unit does examiner Eric A Lange work in?

Eric A Lange examines applications in Art Unit 3745 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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