Prosecution Insights
Last updated: October 02, 2026

Examiner: PATEL, SHEFALI DILIP

Tech Center 4100 • Art Units: 3763 3767 3783 4100

This examiner grants 58% of resolved cases

Analysis

Shefali Dilip Patel serves in Tech Center 4100 and Art Unit 3763. The examiner has 752 resolved cases and an allowance rate of 58.0 percent. This 58.0 percent rate suggests a moderate path to allowance for applications in this unit.

The interview lift is 27.7 percent. This positive lift suggests that interviews are an effective tool for advancing prosecution. When compared to the 58.0 percent base allowance rate, the 27.7 percent lift shows that direct communication with the examiner can substantially improve the probability of a successful outcome.

The median days to allowance is 1413. This timeline represents the typical duration for applications to reach a grant. While the 1413 day period is relatively long, the 27.7 percent interview lift offers a clear path to potentially improve the 58.0 percent chance of success and navigate the prosecution more effectively in Art Unit 3763.

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

Performance Statistics

58.0%
Allow Rate
-2.0% vs TC avg
809
Total Applications
+27.7%
Interview Lift
1413
Avg Prosecution Days
Based on 752 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
21.3%
§102 Novelty
43.3%
§103 Obviousness
28.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18450075 MEDICAL DEVICES AND RELATED METHODS Final Rejection Boston Scientific Scimed, Inc.
18105533 Intraosseous Hemodialysis Port Non-Final OA Bard Access Systems, Inc.
18709991 SENSOR ARRANGEMENT FOR A BREAST PUMP DEVICE AND BREAST PUMP DEVICE USING THE SENSOR ARRANGEMENT Non-Final OA KONINKLIJKE PHILIPS N.V.
17603315 CUSHION CONFIGURED TO BE MOUNTED TO AN AIR PASSAGE ELEMENT OF A BREAST PUMP DEVICE Final Rejection KONINKLIJKE PHILIPS N.V.
18684025 THERAPEUTIC AGENT DELIVERY DEVICE Non-Final OA ELI LILLY AND COMPANY
18144799 PRESSURE REGULATOR FOR OCULAR SURGERY Final Rejection JOHNSON & JOHNSON SURGICAL VISION, INC.
18616678 SURFACE TREATMENT FOR CONNECTORS Non-Final OA CareFusion 303, Inc.
17799541 DRUG INFUSION DEVICES COMPATIBLE WITH DRUG FORMULATIONS Non-Final OA Medtronic, Inc.
18397853 FLOW DIVERTER FOR A CATHETER Non-Final OA Biosense Webster (Israel) Ltd.
16944588 SYSTEMS AND METHODS THAT FACILITATE TATTOO REMOVAL Non-Final OA THE GENERAL HOSPITAL CORPORATION
18254494 NEEDLE AND SYRINGE USING SAME Final Rejection INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
18657274 Instrument Advancement Device with Light-Enabled Instrument Viewing Non-Final OA Becton, Dickinson and Company
18618940 PASSIVE SAFETY CATHETER SYSTEM AND RELATED METHODS Non-Final OA Becton, Dickinson and Company
18431170 INJECTION PEN Non-Final OA Becton, Dickinson and Company
17297604 INTEGRATED CONNECTOR AND DISINFECTING CAP WITH RESERVOIR Non-Final OA Becton, Dickinson and Company
18694079 DRIVING AN OPTICAL SENSOR OF A DRUG DELIVERY DEVICE OR OF A DRUG DELIVERY ADD-ON DEVICE Non-Final OA Sanofi
18289008 Coded Housing Components for an Injection Device Final Rejection Sanofi
18287256 HOUSING COMPONENTS AND MEDICAMENT CONTAINER FOR AN INJECTION DEVICE Final Rejection Sanofi
18475927 Injector Device Final Rejection Sanofi
18450238 SAFETY AND ACCURACY MEASURES FOR MEDICAMENT BOLUS DELIVERY Final Rejection INSULET CORPORATION
18293959 A subassembly of a medicament delivery device Final Rejection SHL Medical AG
18336880 Compositions And Methods For Treating With A Combination Of Alternating Electric Fields And FGF Inhibitors Final Rejection NOVOCURE GMBH
18674549 INJECTION DEVICE FOR DRUG DELIVERY AND PACKAGING FOR THE INJECTION DEVICE Final Rejection AMGEN INC.
18710112 PLUNGER ROD REMOVAL FORCE METHOD AND FIXTURE Non-Final OA AMGEN INC.
17859260 THREE-WAY UROLOGY CATHETER STOPCOCK AND UROLOGY CATHETER STOPCOCK ASSEMBLY Non-Final OA The University of Toledo
18703719 DRUG INFUSION DEVICE WITH INTEGRATED POWER SUPPLY AND ARTIFICIAL PANCREAS Non-Final OA MEDTRUM TECHNOLOGIES INC.
18294822 BREAST CONTACTING ELEMENT Non-Final OA MAYBORN (UK) LIMITED

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