Prosecution Insights
Last updated: October 02, 2026

Examiner: NORTH, ISABELLA SARAH HYO SO

Tech Center 3700 • Art Units: 3783

This examiner grants 68% of resolved cases

Analysis

Isabella Sarah Hyo So North serves in Tech Center 3700 and Art Unit 3783. The data is based on 31 resolved cases, which is a small sample size for statistical evaluation. The allowance rate is 67.7%, and the median days to allowance is 1341. These figures suggest a moderate likelihood of grant but a relatively slow process for successful applications.

The interview lift is 9.8%, suggesting that interviews are a helpful tactical choice for practitioners. While the 9.8% lift is not as high as in some other profiles, it still provides a positive margin over the 67.7% baseline. Practitioners should consider an interview to potentially resolve issues and navigate the 1341-day timeline more effectively. The 31 resolved cases provide an initial look at the examiner's tendencies in Tech Center 3700. This analysis of Art Unit 3783 is grounded in the 31 resolved cases recorded.

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

Performance Statistics

67.7%
Allow Rate
-2.3% vs TC avg
77
Total Applications
+9.8%
Interview Lift
1341
Avg Prosecution Days
Based on 31 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
17.1%
§102 Novelty
56.9%
§103 Obviousness
23.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17782003 AN INJECTION DEVICE FOR DELIVERING A LIQUID DRUG Non-Final OA Novo Nordisk A/S
18003643 NEEDLELESS INJECTOR Non-Final OA DAICEL CORPORATION
17774010 CATHETER TUBE FOR A STEERABLE CATHETER, AND METHOD FOR IMPLANTING AN IMPLANTABLE MEDICAL DEVICE BY MEANS OF A STEERABLE CATHETER Non-Final OA BIOTRONIK SE & Co. KG
17984089 INTRAVENOUS BLOOD SET FOOT PUMP Final Rejection CareFusion 303, Inc.
17764504 AIR ELIMINATION ASSEMBLIES Non-Final OA CareFusion 303, Inc.
18594723 CATHETER ASSEMBLY WITH MICRO-TEXTURED SURFACE AND METHOD OF MANUFACTURE Non-Final OA Becton, Dickinson and Company
18075188 CATHETER ASSEMBLY AND RELATED METHODS Final Rejection Becton, Dickinson and Company
17893825 Integrated Midline Catheter System Non-Final OA Becton, Dickinson and Company
18011773 Improvements of an optical sensing system of a drug delivery device Final Rejection Sanofi
18157394 METHODS AND SYSTEMS FOR PRESSURE-BASED FLUID CONTROL IN A FLUID DELIVERY SYSTEM Final Rejection INSULET CORPORATION
17798649 LOCKING MECHANISM FOR A MEDICAMENT DELIVERY DEVICE Final Rejection SHL MEDICAL AG
17634642 A CAP ASSEMBLY Final Rejection SHL MEDICAL AG
17692997 COMPOSITIONS AND METHODS FOR USING ALTERNATING ELECTRIC FIELDS TO DISRUPT NANOPARTICLES Final Rejection NOVOCURE GMBH
18088089 Safety Device for Shielding an Injection Needle of a Medical Container, and an Injection Device Including This Safety Device Non-Final OA Becton Dickinson France
18088077 Safety Device for Shielding an Injection Needle of a Medical Container, and an Injection Device Including This Safety Device Non-Final OA Becton Dickinson France
17624030 Tip Cap for a Medical Injection Device Non-Final OA Becton Dickinson France
18018529 Peelable Cathlock Non-Final OA Bard Peripheral Vascular, Inc.
18704861 AUTOINJECTOR Non-Final OA medmix Switzerland AG
17793046 MEDICAL DEVICE WITH SAFETY VERIFICATION AND SAFETY VERIFICATION METHOD THEREOF Non-Final OA MEDTRUM TECHNOLOGIES INC.
17535821 BLOOD COLLECTION DEVICES, SYSTEMS, AND METHODS Final Rejection AVIA VASCULAR, LLC
17761414 INFUSION CONTROLLER USING INLINE FEEDBACK THROUGH INTEGRAL FLOW MEASUREMENT IN TUBING Non-Final OA INNOVATIVE HEALTH SCIENCES, LLC

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