Prosecution Insights
Last updated: October 26, 2026

Bo Ouyang, USPTO Patent Examiner

Listed by the USPTO as OUYANG, BO

Tech Center 3700 • Art Units: 3739 3792 3794 3796

This examiner grants 61% of resolved cases

Analysis

OUYANG, BO is assigned to Tech Center 3700 and Art Unit 3739. The profile includes 412 resolved cases and an allowance rate of 60.7%. Median time to allowance is 1460 days, and interview lift is 8.8%. The positive lift indicates that interviews were associated with improved allowance outcomes in the recorded cases.

The listed companies are Cilag GmbH International, Biosense Webster (Israel) Ltd., and Covidien L.P. The listed firms are Troutman Pepper Locke LLP, Womble (previously Lewis Roca), and MCGINN INTELLECTUAL PROPERTY LAW GROUP, PLLC. Practitioners may consider interviews as a supporting tactic while planning for the reported duration and allowance rate.

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

Performance Statistics

60.7%
Allow Rate
-9.3% vs TC avg
465
Total Applications
+8.8%
Interview Lift
1460
Avg Prosecution Days
Based on 412 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
21.4%
§102 Novelty
58.4%
§103 Obviousness
16.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18019881 COMPUTER VISION BASED CONTROL OF AN ENERGY GENERATOR Final Rejection Covidien LP
17715986 ENERGY ACTIVATION SWITCH FOR VESSEL SEALER Final Rejection Covidien LP
17702629 ELECTROSURGICAL SYSTEMS AND METHODS Non-Final OA Covidien LP
18991018 METHOD AND APPARATUS FOR ABLATING THE VEIN OF MARSHALL Non-Final OA Boston Scientific Scimed, Inc.
19022288 FLUX DISAMBIGUATION FOR TELEOPERATED SURGICAL SYSTEMS Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18461223 PROTECTION MEASURES FOR ROBOTIC ELECTROSURGICAL INSTRUMENTS Non-Final OA Cilag GmbH International
18446222 ELECTROSURGICAL DEVICE Non-Final OA Cilag GmbH International
18213554 SURGICAL DISSECTORS CONFIGURED TO APPLY MECHANICAL AND ELECTRICAL ENERGY Final Rejection Cilag GmbH International
18176984 THERMALLY AND MECHANICALLY SYMMETRIC ELECTRODES FOR END EFFECTORS Non-Final OA Cilag GmbH International
19227359 METHOD OF REDUCING LEFT ATRIAL PRESSURE Final Rejection EDWARDS LIFESCIENCES CORPORATION
18601755 SHUNT SYSTEMS AND METHODS WITH TISSUE GROWTH PREVENTION Final Rejection EDWARDS LIFESCIENCES CORPORATION
18945035 COATED END EFFECTOR ELECTRODES FOR SENSING AND ABLATION Non-Final OA Biosense Webster (Israel) Ltd.
18780114 INTEGRATED LC FILTERS IN CATHETER DISTAL END Final Rejection BIOSENSE WEBSTER (ISRAEL) LTD.
18512645 SYSTEMS AND METHODS FOR COUPLING SEGMENTED SPINE STRUTS Final Rejection Biosense Webster (Israel) Ltd.
18485002 ELECTRODE CATHETER WITH CORRUGATED SUPPORT STRUCTURE Non-Final OA Biosense Webster (Israel) Ltd.

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Frequently Asked Questions

What is examiner Bo Ouyang's allowance rate?

60.7% of resolved applications examined by Bo Ouyang were allowed (412 resolved cases), compared with 0.0% across Art Unit 3739 over the last five years.

Does an interview help with examiner Bo Ouyang?

This examiner's interview lift is +8.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bo Ouyang take to allow a patent?

Applications allowed by Bo Ouyang took 1,460 days on average from filing to allowance.

Which art unit does examiner Bo Ouyang work in?

Bo Ouyang examines applications in Art Unit 3739 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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