Prosecution Insights
Last updated: October 27, 2026

Robert S Cabral, USPTO Patent Examiner

Listed by the USPTO as CABRAL, ROBERT S

Tech Center 1600 • Art Units: 1614 1618

This examiner grants 63% of resolved cases

Analysis

CABRAL, ROBERT S handles cases in USPTO Technology Center 1600 and art unit 1614. The profile records 870 resolved cases and a 62.8% allowance rate. The median time to allowance is 2030 days, making prosecution duration a particularly important consideration for applicants, counsel, and business teams.

The reported interview lift is 32.3%, supporting direct examiner engagement as part of a sustained strategy. The listed companies are L.E.A.F. Holdings Group LLC, Winfield Solutions LLC, and Hoffmann-La Roche Inc. DORSEY & WHITNEY LLP - Minneapolis, NIXON & VANDERHYE, PC, and AMSTER, ROTHSTEIN & EBENSTEIN LLP are the identified firms. Applicants should prepare for extended prosecution with strong written support, targeted amendments, and deliberate decisions about continuation and claim prioritization.

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

Performance Statistics

62.8%
Allow Rate
+2.8% vs TC avg
911
Total Applications
+32.3%
Interview Lift
2030
Avg Prosecution Days
Based on 870 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
16.7%
§102 Novelty
44.9%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18014729 ANTIBODIES WHICH BIND TO CANCER CELLS AND TARGET RADIONUCLIDES TO SAID CELLS Non-Final OA Hoffmann-La Roche Inc.
17998761 CARBON NANOTUBES AND COMPLEXES THEREOF FOR TREATING AND DETECTING OCULAR TUMORS Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18022670 COMPOSITION COMPRISING POLYETHYLENE GLYCOL CONJUGATED TO INDOCYANINE GREEN AND METHODS OF USE Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18908740 ULTRASMALL NANOPARTICLES AND METHODS OF MAKING AND USING SAME Non-Final OA CORNELL UNIVERSITY
18920438 NANOSTRUCTURED SURFACES Non-Final OA Brown University
18272110 CAVITATION AGENT Final Rejection Oxford University Innovation Limited
18426838 Microencapsulation of Active Agents Non-Final OA Temple University-Of The Commonwealth System of Higher Education
17725544 COMBINATION RADIOIMMUNOTHERAPY AND CD47 BLOCKADE IN THE TREATMENT OF CANCER Non-Final OA ACTINIUM PHARMACEUTICALS, INC.
18751742 Formulated and/or Co-Formulated Liposome Compositions Containing PD-1 Antagonist Prodrugs Useful in the Treatment of Cancer and Methods Thereof Non-Final OA Nammi Therapeutics, Inc.

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Frequently Asked Questions

What is examiner Robert S Cabral's allowance rate?

62.8% of resolved applications examined by Robert S Cabral were allowed (870 resolved cases), compared with 47.9% across Art Unit 1614 over the last five years.

Does an interview help with examiner Robert S Cabral?

This examiner's interview lift is +32.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Robert S Cabral take to allow a patent?

Applications allowed by Robert S Cabral took 2,030 days on average from filing to allowance.

Which art unit does examiner Robert S Cabral work in?

Robert S Cabral examines applications in Art Unit 1614 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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