Prosecution Insights
Last updated: October 25, 2026

Josephine Kebbeh Darpolor, USPTO Patent Examiner

Listed by the USPTO as DARPOLOR, JOSEPHINE KEBBEH

Tech Center 1600 • Art Units: 1642

This examiner grants 62% of resolved cases

Analysis

Josephine Kebbeh Darpolor has 29 resolved cases in Tech Center 1600 and Art Unit 1642. The allowance rate is 62.1%, with a median of 1289 days to allowance. The profile therefore reflects a moderate allowance outcome alongside a long prosecution timeline.

Interviews are associated with a 39.3% lift in this record, making interview practice a potentially important consideration for applicants before this examiner. The represented companies include Inserm, Therini Bio, and Shanghai Longyao Biotechnology. FENWICK & WEST, GOODWIN PROCTER, and SALIWANCHIK, LLOYD & EISENSCHENK appear among the leading firms.

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

Performance Statistics

62.1%
Allow Rate
+2.1% vs TC avg
42
Total Applications
+39.3%
Interview Lift
1289
Avg Prosecution Days
Based on 29 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
15.5%
§102 Novelty
30.9%
§103 Obviousness
36.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17791549 MULTISPECIFIC ANTIBODIES THAT BIND BOTH MAIT AND TUMOR CELLS Non-Final OA INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE)
18571091 ANTIBODIES WHICH BIND HUMAN FIBRIN OR FIBRINOGEN yC DOMAIN AND METHODS OF USE Non-Final OA Therini Bio, Inc.
18000674 CHIMERIC ANTIGEN RECEPTOR TARGETING CLDN18.2 AND USE THEREOF Non-Final OA SHANGHAI LONGYAO BIOTECHNOLOGY INC., LTD

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Frequently Asked Questions

What is examiner Josephine Kebbeh Darpolor's allowance rate?

62.1% of resolved applications examined by Josephine Kebbeh Darpolor were allowed (29 resolved cases), compared with 38.5% across Art Unit 1642 over the last five years.

Does an interview help with examiner Josephine Kebbeh Darpolor?

This examiner's interview lift is +39.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Josephine Kebbeh Darpolor take to allow a patent?

Applications allowed by Josephine Kebbeh Darpolor took 1,289 days on average from filing to allowance.

Which art unit does examiner Josephine Kebbeh Darpolor work in?

Josephine Kebbeh Darpolor examines applications in Art Unit 1642 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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