Prosecution Insights
Last updated: October 26, 2026

Si Ming Ku, USPTO Patent Examiner

Listed by the USPTO as KU, SI MING

Tech Center 3700 • Art Units: 3771 3775

This examiner grants 73% of resolved cases

Analysis

KU, SI MING is assigned to tech center 3700 and art unit 3771. The profile records 779 resolved cases and an allowance rate of 72.8%. Interview lift is 32.8%, indicating that interviews may materially support progress in this docket. The median time to allowance is 1139 days, so applicants should plan for a sustained prosecution cycle and prepare fallback positions before substantive discussions.

The listed companies are Globus Medical Inc., Stryker Corporation, and Mako Surgical Corp. The firms shown are HOWARD & HOWARD ATTORNEYS PLLC, Lerner David LLP, and Nelson Mullins Riley & Scarborough LLP. Practitioners may find value in using interviews to connect technical explanations with specific claim limitations and then recording the agreed direction in a focused response.

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

Performance Statistics

72.8%
Allow Rate
+2.8% vs TC avg
826
Total Applications
+32.8%
Interview Lift
1139
Avg Prosecution Days
Based on 779 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
25.6%
§102 Novelty
38.5%
§103 Obviousness
26.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18644297 BONE PLATE FOR SECURING A FRACTURED BONE Final Rejection Stryker European Operations Limited
18388347 SAGITTAL ADJUSTMENT SLOT IN PLATE USED WITH INTRAMEDULLARY NAIL Non-Final OA Stryker European Operations Limited
18788437 CERVICAL DISC INTRUMENTS Final Rejection GLOBUS MEDICAL, INC.
18780661 Standalone Interbody Implants Final Rejection GLOBUS MEDICAL, INC.
18645517 SPINAL STIFFNESS SYSTEMS AND RELATED METHODS Non-Final OA GLOBUS MEDICAL, INC.
18607837 HUMERUS AND ULNA STABILIZATION SYSTEMS Final Rejection GLOBUS MEDICAL, INC.
17656517 BI-DIRECTIONAL DRILL POINT SCREW Non-Final OA GLOBUS MEDICAL, INC.
18931568 IMPLANT EXTRACTOR Final Rejection Shukla Medical
18357700 TPLO Plate Dual Vector Compression System and Method Final Rejection DEPUY SYNTHES PRODUCTS, INC.

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Frequently Asked Questions

What is examiner Si Ming Ku's allowance rate?

72.8% of resolved applications examined by Si Ming Ku were allowed (779 resolved cases), compared with 65.9% across Art Unit 3771 over the last five years.

Does an interview help with examiner Si Ming Ku?

This examiner's interview lift is +32.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Si Ming Ku take to allow a patent?

Applications allowed by Si Ming Ku took 1,139 days on average from filing to allowance.

Which art unit does examiner Si Ming Ku work in?

Si Ming Ku examines applications in Art Unit 3771 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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