Prosecution Insights
Last updated: August 16, 2026

Tandem Diabetes Care Inc.

18 pending office actions • 6 art units • 17 examiners • 0 of 18 (0%) have an AI response strategy ready • 20 patents granted in the last 365 days

Portfolio Summary

18
Total Pending OAs
10
Non-Final OAs
6
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 8 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
0
Due this week
1
Due this month
1
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 8 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)Due ≤ 30 days (1)Due ≤ 60 days (1)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

6
Hard (33%)
11
Medium (61%)
1
Easy (6%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (6%)
§103 only7 (39%)
§102 only2 (11%)
§112 only1 (6%)
Double-patenting + other2 (11%)
Multi-statute (no §101)5 (28%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

0
Life Sciences
0% of docket
1
Information Tech
6% of docket
1
Communications
6% of docket
0
Semiconductors
0% of docket
13
Mechanical / Eng
72% of docket
3
Business / Other
17% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

180 h
Manual time on pending OAs
36 h
Time saved (low, 20%)
63 h
Time saved (mid, 35%)
1.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DARB, HAMZA A. 2 74.4% +31.3%
AFRIFA-KYEI, ANTHONY D 1 65.1% +13.0%
FREDRICKSON, COURTNEY B 1 75.7% +30.9%
KASHYAP, ESHA PRAKASH 1
MALATEK, KATHERYN A 1 86.7% +42.9%
OLYNICK, DAVID 1 78.0% +24.0%
NG, JONATHAN K 1 35.6% +13.7%
NAJARIAN, LENA 1 38.7% +38.8%
DAO, THUY CHAN 1 88.3% +11.7%
MEDWAY, SCOTT J 1 67.0% +23.2%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18368278 FIELD UPDATE OF AN AMBULATORY INFUSION PUMP SYSTEM DAO, THUY CHAN

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18474839 ZERO GAP AUTOMATED INSULIN DELIVERY TREATMENT SYSTEM DARB, HAMZA A. 2d overdue
18478552 INFUSION PUMP WITH MULTI-CGM COMPATIBILITY OLYNICK, DAVID 12d
18749341 SYSTEMS AND METHODS FOR DETERMINING PATTERNS IN AN INSULIN DELIVERY SYSTEM TO IMPROVE USER EXPERIENCE KASHYAP, ESHA PRAKASH
18407915 APPLICATOR DEVICE FOR USER-WEARABLE INFUSION PUMP MALATEK, KATHERYN A
18477384 SYSTEMS AND METHODS FOR MANAGING MESSAGES SENT TO USER OF AN INSULIN PUMP SYSTEM NAJARIAN, LENA
17886998 INFUSION PUMPS AND METHODS WITH SHAPE MEMORY WIRE DRIVEN SYRINGE MECHANISM RITCHIE, HADEN MATTHEW

Interview Candidates (10)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18477369 SYSTEMS AND METHODS FOR OBTAINING DATA RELEVANT TO DIABETES MANAGEMENT USING LARGE LANGUAGE MODELS NG, JONATHAN K 60d overdue
18475916 INFUSION SET WITH ADHESIVE PATCH LINER DARB, HAMZA A. 2d overdue
18474839 ZERO GAP AUTOMATED INSULIN DELIVERY TREATMENT SYSTEM DARB, HAMZA A. 2d overdue
18478552 INFUSION PUMP WITH MULTI-CGM COMPATIBILITY OLYNICK, DAVID 12d
19059852 METHODS OF WIRELESS COMMUNICATION IN AN INFUSION PUMP SYSTEM AFRIFA-KYEI, ANTHONY D
18751761 HELICAL INSERTION INFUSION DEVICE FREDRICKSON, COURTNEY B
18407915 APPLICATOR DEVICE FOR USER-WEARABLE INFUSION PUMP MALATEK, KATHERYN A
18477384 SYSTEMS AND METHODS FOR MANAGING MESSAGES SENT TO USER OF AN INSULIN PUMP SYSTEM NAJARIAN, LENA

Top Art Units

Art UnitApps
3783 10
3741 2
2686 1
3619 1
2192 1
3992 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19059852 METHODS OF WIRELESS COMMUNICATION IN AN INFUSION PUMP SYSTEM AFRIFA-KYEI, ANTHONY D 2686 §103 Non-Final OA Pending Feb 21, 2025
18751761 HELICAL INSERTION INFUSION DEVICE FREDRICKSON, COURTNEY B §103DP Non-Final OA Pending Jun 24, 2024
18749341 SYSTEMS AND METHODS FOR DETERMINING PATTERNS IN AN INSULIN DELIVERY SYSTEM TO IMPROVE USER EXPERIENCE KASHYAP, ESHA PRAKASH §102§103 Non-Final OA Pending Jun 20, 2024
18407915 APPLICATOR DEVICE FOR USER-WEARABLE INFUSION PUMP MALATEK, KATHERYN A 3741 §102§112 Non-Final OA Pending Jan 09, 2024
18478552 INFUSION PUMP WITH MULTI-CGM COMPATIBILITY OLYNICK, DAVID 3741 §102§103 Final Rejection 12d Pending Sep 29, 2023
18477369 SYSTEMS AND METHODS FOR OBTAINING DATA RELEVANT TO DIABETES MANAGEMENT USING LARGE LANGUAGE MODELS NG, JONATHAN K 3619 §103 Final Rejection 60d overdue Pending Sep 28, 2023
18477384 SYSTEMS AND METHODS FOR MANAGING MESSAGES SENT TO USER OF AN INSULIN PUMP SYSTEM NAJARIAN, LENA 3783 §101§102 Non-Final OA Pending Sep 28, 2023
18475916 INFUSION SET WITH ADHESIVE PATCH LINER DARB, HAMZA A. 3783 §102 Final Rejection 2d overdue Pending Sep 27, 2023
18474839 ZERO GAP AUTOMATED INSULIN DELIVERY TREATMENT SYSTEM DARB, HAMZA A. 3783 §103§112 Final Rejection 2d overdue Pending Sep 26, 2023
18368278 FIELD UPDATE OF AN AMBULATORY INFUSION PUMP SYSTEM DAO, THUY CHAN 2192 §103 Final Rejection Pending Sep 14, 2023
18448584 AMBULATORY INFUSION PUMP SYSTEM INCLUDING PUMP HOLDER MEDWAY, SCOTT J 3783 §102 Non-Final OA Pending Aug 11, 2023
18201645 FILTER FOR INFUSION PUMP SYSTEMS STIMPERT, PHILIP EARL 3783 §103 Non-Final OA Pending May 24, 2023
18115316 INSULIN INFUSION SET GOLOVAN, MARK 3783 §102§103§112DP Non-Final OA 33d Pending Feb 28, 2023
17886998 INFUSION PUMPS AND METHODS WITH SHAPE MEMORY WIRE DRIVEN SYRINGE MECHANISM RITCHIE, HADEN MATTHEW 3783 §102§103 Non-Final OA Pending Aug 12, 2022
17743652 METHOD OF PAIRING AN INFUSION PUMP WITH A REMOTE CONTROL DEVICE ESCALANTE, OVIDIO 3992 §112 Non-Final OA 29d overdue Pending May 13, 2022
17677621 SYSTEMS AND METHODS FOR TRANSITIONING FROM AUTOMATED INSULIN DELIVERY NICHOLS, CHARLES W 3783 §103 Non-Final OA Pending Feb 22, 2022
17395289 METHODS OF WIRELESS COMMUNICATION IN AN INFUSION PUMP SYSTEM DIPERT, FORREST BLAKE 3783 §103 Final Rejection 4d overdue Pending Aug 05, 2021
16502196 ELECTROMAGNETIC SIGNAL-BASED INFUSION PUMP CONTROL CARPENTER, WILLIAM R 3783 §103 Non-Final OA 91d overdue Pending Jul 03, 2019

Managing Tandem Diabetes Care Inc.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month