Prosecution Insights
Last updated: October 27, 2026

TC1 LLC

Technology area: Medical Devices & Mechanical Engineering

14 pending office actions • 5 art units • 13 examiners • 0 of 14 (0%) have an AI response strategy ready • 24 patents granted in the last 365 days

Analysis

TC1 LLC has 15 pending office actions in Medical Devices & Mechanical Engineering. The portfolio includes 14 examiners across 5 art units, combining substantial examiner dispersion with recurring art-unit placement.

LAU, MICHAEL J is the busiest examiner, with 2 pending matters. The repeated examiner assignment offers a limited opportunity to identify common examination themes, while the broader distribution requires tracking different examiner practices.

The art-unit concentration may support centralized technical preparation for related device issues. Counsel should still tailor amendments and interview objectives to the individual examiner handling each matter.

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

Portfolio Summary

14
Total Pending OAs
7
Non-Final OAs
7
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
1
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (1)Due later (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 (43%)
8
Medium (57%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (7%)
§103 only7 (50%)
§102 only1 (7%)
Multi-statute (no §101)5 (36%)

Industry Mix

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

1
Life Sciences
7% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
13
Mechanical / Eng
93% of docket
0
Business / Other
0% 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.

140 h
Manual time on pending OAs
28 h
Time saved (low, 20%)
49 h
Time saved (mid, 35%)
1.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LAU, MICHAEL J 2 72.3% +23.2%
FAIRCHILD, MALLIKA DIPAYAN 1 79.5% +18.2%
DINH, PHUONG K 1 87.3% +8.9%
DINH, ANH-KHOA N 1 87.3% +16.1%
ROBLES, EILEEN 1 100.0% +0.0%
SOLOMON, JOSHUA BRENDON 1 83.5% +20.2%
HARRIS, WESLEY G 1 73.4% +21.7%
VAUGHAN, JASON L 1 78.7% +20.3%
GEDEON, BRIAN T 1 87.0% +7.2%
BAYS, PAMELA M 1 71.8% +37.4%

Quick Wins (4)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18434543 SELECTIVE STIMULATION SYSTEMS AND SIGNAL PARAMETERS FOR MEDICAL CONDITIONS GEDEON, BRIAN T 13d
18827046 PERCUTANEOUS HEART PUMP TRANSITIONABLE BETWEEN SEPARATED AND OPERATIONAL CONFIGURATIONS DINH, ANH-KHOA N —
18672702 Blood Pump Connectors ROBLES, EILEEN —
18712491 SYSTEMS AND METHODS FOR WIRELESS POWER RESONATORS WITH OPEN CORE SOLOMON, JOSHUA BRENDON —

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
18088019 FILTER FOR PARTICLES IN CATHETER PUMP SYSTEM GHAND, JENNIFER LEIGH-STEWAR 131d overdue
19005903 Blood Pump Controllers Having Daisy-Chained Batteries FAIRCHILD, MALLIKA DIPAYAN —
18962218 Implanted Connector Booster Sealing for Implantable Medical Devices DINH, PHUONG K —
18663283 FLUID SEALS FOR CATHETER PUMP MOTOR ASSEMBLY HARRIS, WESLEY G —
18652430 CLAMPING DEVICE VAUGHAN, JASON L —
18498765 Assessment and Management of Adverse Event Risks in Mechanical Circulatory Support Patients BAYS, PAMELA M —

Interview Candidates (8)

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
18653382 MOTOR ASSEMBLY WITH HEAT EXCHANGER FOR CATHETER PUMP LAU, MICHAEL J 76d
19005903 Blood Pump Controllers Having Daisy-Chained Batteries FAIRCHILD, MALLIKA DIPAYAN —
18959115 Tri-Axis Accelerometers for Patient Physiologic Monitoring and Closed Loop Control of Implantable Ventricular Assist Devices LAU, MICHAEL J —
18827046 PERCUTANEOUS HEART PUMP TRANSITIONABLE BETWEEN SEPARATED AND OPERATIONAL CONFIGURATIONS DINH, ANH-KHOA N —
18712491 SYSTEMS AND METHODS FOR WIRELESS POWER RESONATORS WITH OPEN CORE SOLOMON, JOSHUA BRENDON —
18663283 FLUID SEALS FOR CATHETER PUMP MOTOR ASSEMBLY HARRIS, WESLEY G —
18652430 CLAMPING DEVICE VAUGHAN, JASON L —
18498765 Assessment and Management of Adverse Event Risks in Mechanical Circulatory Support Patients BAYS, PAMELA M —

Top Art Units

Art UnitApps
3796 7
3792 4
3783 1
3726 1
1735 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19005903 Blood Pump Controllers Having Daisy-Chained Batteries FAIRCHILD, MALLIKA DIPAYAN 3792 §102§103Other Non-Final OA — Pending Dec 30, 2024
18962218 Implanted Connector Booster Sealing for Implantable Medical Devices DINH, PHUONG K 3796 §102§103 Non-Final OA — Pending Nov 27, 2024
18959115 Tri-Axis Accelerometers for Patient Physiologic Monitoring and Closed Loop Control of Implantable Ventricular Assist Devices LAU, MICHAEL J 3796 §103 Non-Final OA — Pending Nov 25, 2024
18827046 PERCUTANEOUS HEART PUMP TRANSITIONABLE BETWEEN SEPARATED AND OPERATIONAL CONFIGURATIONS DINH, ANH-KHOA N 3796 §103Other Final Rejection — Pending Sep 06, 2024
18672702 Blood Pump Connectors ROBLES, EILEEN 3792 §103Other Final Rejection — Pending May 23, 2024
18712491 SYSTEMS AND METHODS FOR WIRELESS POWER RESONATORS WITH OPEN CORE SOLOMON, JOSHUA BRENDON 3792 §103 Non-Final OA — Pending May 22, 2024
18663283 FLUID SEALS FOR CATHETER PUMP MOTOR ASSEMBLY HARRIS, WESLEY G 3783 §102§103 Non-Final OA — Pending May 14, 2024
18653382 MOTOR ASSEMBLY WITH HEAT EXCHANGER FOR CATHETER PUMP LAU, MICHAEL J 3796 §103 Final Rejection 76d Pending May 02, 2024
18652430 CLAMPING DEVICE VAUGHAN, JASON L 3726 §102§103 Final Rejection — Pending May 01, 2024
18434543 SELECTIVE STIMULATION SYSTEMS AND SIGNAL PARAMETERS FOR MEDICAL CONDITIONS GEDEON, BRIAN T 3796 §102Other Final Rejection 13d Pending Feb 06, 2024
18498765 Assessment and Management of Adverse Event Risks in Mechanical Circulatory Support Patients BAYS, PAMELA M 3796 §101§102§103 Non-Final OA — Pending Oct 31, 2023
18268276 SYSTEMS AND METHODS FOR HEAT MANAGEMENT IN WIRELESS POWER TRANSFER SYSTEMS NORRIS, JEREMY C 1735 §103 Non-Final OA — Pending Jun 19, 2023
18154417 MOTOR ASSEMBLY FOR CATHETER PUMP EDWARDS, PHILIP CHARLES 3792 §103Other Final Rejection — Pending Jan 13, 2023
18088019 FILTER FOR PARTICLES IN CATHETER PUMP SYSTEM GHAND, JENNIFER LEIGH-STEWAR 3796 §103§112 Final Rejection 131d overdue Pending Dec 23, 2022

Managing TC1 LLC'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

Frequently Asked Questions

How many pending USPTO office actions does TC1 LLC have?

TC1 LLC has 14 pending office actions as of October 2026, spread across 5 art units and 13 examiners.

Which USPTO examiner handles the most TC1 LLC applications?

Michael J Lau has the most, with 2 of TC1 LLC's pending office actions.

What technology area are TC1 LLC's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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