Prosecution Insights
Last updated: October 26, 2026

David Bochna, USPTO Patent Examiner

Listed by the USPTO as BOCHNA, DAVID

Tech Center 3700 • Art Units: 1723 3679 3723

This examiner grants 80% of resolved cases

Analysis

BOCHNA, DAVID is assigned to Technology Center 3700 and art unit 1723. The profile includes 1842 resolved cases and an allowance rate of 79.9%. Median time to allowance is 920 days. Interview lift is 13.6%, showing a positive but limited interview-associated effect within a very large record.

The listed companies are LG Electronics Inc., Samsung Electronics Co., Ltd., and Cooper-Standard Automotive Inc. The listed firms are CARSTENS, ALLEN & GOURLEY, LLP, Conley Rose, P.C., and GABLEGOTWALS. The extensive case history supports strong expectation setting, while the median timing makes timely responses and continuation decisions important to portfolio management.

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

Performance Statistics

79.9%
Allow Rate
+9.9% vs TC avg
1,884
Total Applications
+13.6%
Interview Lift
920
Avg Prosecution Days
Based on 1842 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
41.8%
§102 Novelty
31.1%
§103 Obviousness
22.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19653502 UNIVERSAL COUPLING Non-Final OA ADVANCED DRAINAGE SYSTEMS, INC.
18865561 CLEANER STATION Non-Final OA LG Electronics Inc.
18966900 CLEANING ROBOT, MAINTENANCE STATION AND CLEANING SYSTEM HAVING THEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18868502 AGITATOR ELEMENT FOR A VACUUM CLEANER Non-Final OA Dyson Technology Limited
18619685 COMPOSITE TUBE ASSEMBLIES AND METHOD OF MANUFACTURING Final Rejection General Electric Company
17904870 CONNECTOR SYSTEM WITH RELEASABLE CONTOUR SEAL FOR A FLUID SYSTEM Final Rejection Siemens Healthcare Diagnostics Inc.

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Frequently Asked Questions

What is examiner David Bochna's allowance rate?

79.9% of resolved applications examined by David Bochna were allowed (1,842 resolved cases), compared with 60.0% across Art Unit 1723 over the last five years.

Does an interview help with examiner David Bochna?

This examiner's interview lift is +13.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David Bochna take to allow a patent?

Applications allowed by David Bochna took 920 days on average from filing to allowance.

Which art unit does examiner David Bochna work in?

David Bochna examines applications in Art Unit 1723 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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