Prosecution Insights
Last updated: October 27, 2026

Bradley L Sisson, USPTO Patent Examiner

Listed by the USPTO as SISSON, BRADLEY L

Tech Center 1600 • Art Units: 1634 1682

This examiner grants 20% of resolved cases

Analysis

SISSON, BRADLEY L is assigned to Tech Center 1600 and art unit 1634. The profile reports 746 resolved cases and an allowance rate of 19.7%. Interview activity shows a 20.5% lift, slightly exceeding the allowance rate, which supports giving direct examiner engagement careful consideration. The median time to allowance is 1587 days, the profile’s longest timing measure, making prosecution efficiency particularly important.

The listed companies are 10x Genomics Inc., Singular Genomics Systems Inc., and Stellaromics, Inc. The listed firms are HAMILTON, BROOK, SMITH & REYNOLDS, P.C., Knobbe, Martens, Olson & Bear, LLP, and pH IP Law. Applicants may benefit from early technical preparation, well-defined fallback positions, and realistic expectations for extended examination in the art unit.

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

Performance Statistics

19.7%
Allow Rate
-40.3% vs TC avg
769
Total Applications
+20.5%
Interview Lift
1587
Avg Prosecution Days
Based on 746 resolved cases, 2023–2026

Rejection Statute Breakdown

23.3%
§101 Eligibility
7.2%
§102 Novelty
21.6%
§103 Obviousness
42.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18342948 METHOD OF GENERATING ARRAYS USING MICROFLUIDICS AND PHOTOLITHOGRAPHY Final Rejection 10x Genomics, Inc.
17776769 GENERATING CAPTURE PROBES FOR SPATIAL ANALYSIS Non-Final OA 10x Genomics, Inc.
16770889 MULTIPLEX LABELING OF MOLECULES BY SEQUENTIAL HYBRIDIZATION BARCODING WITH RAPID SWITCHING AND REHYBRIDIZATION OF PROBES Non-Final OA California Institute of Technology
17171629 ANTIMICROBIAL SUSCEPTIBILITY TESTING USING MICRODROPLETS Final Rejection Becton, Dickinson and Company
17511353 DETECTING MATERIALS IN A MIXTURE USING OLIGONUCLEOTIDES Final Rejection ILLUMINA, INC.

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Frequently Asked Questions

What is examiner Bradley L Sisson's allowance rate?

19.7% of resolved applications examined by Bradley L Sisson were allowed (746 resolved cases), compared with 30.4% across Art Unit 1634 over the last five years.

Does an interview help with examiner Bradley L Sisson?

This examiner's interview lift is +20.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bradley L Sisson take to allow a patent?

Applications allowed by Bradley L Sisson took 1,587 days on average from filing to allowance.

Which art unit does examiner Bradley L Sisson work in?

Bradley L Sisson examines applications in Art Unit 1634 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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