Prosecution Insights
Last updated: May 29, 2026

Progress Rail Locomotive Inc.

4 pending office actions • 3 art units • 3 examiners • 0 of 4 (0%) have an AI response strategy ready • 13 patents granted in the last 365 days

Portfolio Summary

4
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 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
1
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. 4 of the docket's apps have a known mailing date.

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

0
Hard (0%)
4
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (100%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
25% of docket
3
Mechanical / Eng
75% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KUHFUSS, ZACHARY L 2 78.0% +17.9%
MCCALL, ERIC SCOTT 1 87.7% +6.1%
MORALES, OMAR 1 58.5% +18.5%

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
18499453 ENGINE OIL SYSTEM HEALTH MONITORING USING OIL LEVEL SENSOR MCCALL, ERIC SCOTT 72d

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18207204 HYBRID LOCOMOTIVE WITH THROTTLE POWER BOOST KUHFUSS, ZACHARY L 10d overdue
18463924 HYBRID LOCOMOTIVE PROPULSION SYSTEM KUHFUSS, ZACHARY L 20d
18239395 SYSTEM AND METHOD FOR SCHEDULING AND PACING TRAINS MORALES, OMAR 34d

Top Art Units

Art UnitApps
3615 2
2855 1
3747 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18499453 ENGINE OIL SYSTEM HEALTH MONITORING USING OIL LEVEL SENSOR MCCALL, ERIC SCOTT 2855 §103 Final Rejection 72d Pending Nov 01, 2023
18463924 HYBRID LOCOMOTIVE PROPULSION SYSTEM KUHFUSS, ZACHARY L 3615 §103 Non-Final OA 20d Pending Sep 08, 2023
18239395 SYSTEM AND METHOD FOR SCHEDULING AND PACING TRAINS MORALES, OMAR 3747 §103 Non-Final OA 34d Pending Aug 29, 2023
18207204 HYBRID LOCOMOTIVE WITH THROTTLE POWER BOOST KUHFUSS, ZACHARY L 3615 §103 Non-Final OA 10d overdue Pending Jun 08, 2023

Managing Progress Rail Locomotive 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