Prosecution Insights
Last updated: October 26, 2026

Dirk R Bass, USPTO Patent Examiner

Listed by the USPTO as BASS, DIRK R

Tech Center 1700 • Art Units: 1677 1777 1779 1797

This examiner grants 62% of resolved cases

Analysis

BASS, DIRK R is assigned to Tech Center 1700 and Art Unit 1677. Across 858 resolved cases, the allowance rate is 62.4%, and the interview lift is 22.6%. The results support considering interviews as part of a structured prosecution approach.

The median time to allowance is 1379 days. The leading companies are Woodard & Curran Inc., Ide Water Technologies Ltd., and CJ CheilJedang Corporation. The listed firms are Pierce Atwood LLP, Whitestone Law, PLLC, and Cantor Colburn - SABIC General.

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

Performance Statistics

62.4%
Allow Rate
-2.6% vs TC avg
886
Total Applications
+22.6%
Interview Lift
1379
Avg Prosecution Days
Based on 858 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
26.5%
§102 Novelty
51.9%
§103 Obviousness
15.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18702782 METHOD FOR TREATING HIGH-CONCENTRATION FERMENTATION BY-PRODUCTS GENERATED IN AMINO ACID FERMENTATION PROCESS Non-Final OA CJ CHEILJEDANG CORPORATION
18625360 MULTI-STAGE MEMBRANE FILTRATION SYSTEM AND METHOD FOR OPERATING A MULTI-STAGE MEMBRANE FILTRATION SYSTEM Non-Final OA B. Braun Avitum AG

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Frequently Asked Questions

What is examiner Dirk R Bass's allowance rate?

62.4% of resolved applications examined by Dirk R Bass were allowed (858 resolved cases), compared with 32.7% across Art Unit 1677 over the last five years.

Does an interview help with examiner Dirk R Bass?

This examiner's interview lift is +22.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dirk R Bass take to allow a patent?

Applications allowed by Dirk R Bass took 1,379 days on average from filing to allowance.

Which art unit does examiner Dirk R Bass work in?

Dirk R Bass examines applications in Art Unit 1677 in Tech Center 1700 (Chemistry & Materials).

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