Prosecution Insights
Last updated: May 29, 2026

Dellner Couplers AB

5 pending office actions • 2 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 9 patents granted in the last 365 days

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
1
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. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 7 days (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.

0
Hard (0%)
5
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (40%)
§102 only3 (60%)

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
0
Semiconductors
0% of docket
5
Mechanical / Eng
100% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MCCARRY JR, ROBERT J 1 82.0% +16.6%
LIN, CHENG XI 1 84.5% +14.4%
KUHFUSS, ZACHARY L 1 78.0% +17.9%
SMITH, JASON CHRISTOPHER 1 83.8% +12.7%
MEDANI, MOHAMED NMN 1 75.0% +18.5%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18180460 CONVOLUTE FOR A BELLOWS OF A GANGWAY AND BELLOWS OF A GANGWAY LIN, CHENG XI 10d overdue
18372809 COUPLER ARRANGEMENT FOR RAIL VEHICLE MCCARRY JR, ROBERT J 5d
18008885 COUPLER FOR A RAIL VEHICLE AND A RAIL VEHICLE WITH A COUPLER SMITH, JASON CHRISTOPHER 12d

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
17924864 CONVOLUTE FOR A BELLOWS FOR A GANGWAY, BELLOWS FOR A GANGWAY AND MULTI-CAR VEHICLE MEDANI, MOHAMED NMN 73d overdue
18180460 CONVOLUTE FOR A BELLOWS OF A GANGWAY AND BELLOWS OF A GANGWAY LIN, CHENG XI 10d overdue
18372809 COUPLER ARRANGEMENT FOR RAIL VEHICLE MCCARRY JR, ROBERT J 5d
18008885 COUPLER FOR A RAIL VEHICLE AND A RAIL VEHICLE WITH A COUPLER SMITH, JASON CHRISTOPHER 12d
18011778 DEVICE FOR DEFLECTION OF A COUPLER OF A TRAIN VEHICLE, COUPLER OF A TRAIN, CAR OF A MULTI-CAR VEHICLE AND METHOD FOR COUPLING A FIRST CAR OF A MULTI-CAR VEHICLE TO A SECOND CAR OF A MULTI-CAR VEHICLE KUHFUSS, ZACHARY L 72d

Top Art Units

Art UnitApps
3615 4
3611 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18372809 COUPLER ARRANGEMENT FOR RAIL VEHICLE MCCARRY JR, ROBERT J 3615 §102 Non-Final OA 5d Pending Sep 26, 2023
18180460 CONVOLUTE FOR A BELLOWS OF A GANGWAY AND BELLOWS OF A GANGWAY LIN, CHENG XI 3615 §102 Non-Final OA 10d overdue Pending Mar 08, 2023
18011778 DEVICE FOR DEFLECTION OF A COUPLER OF A TRAIN VEHICLE, COUPLER OF A TRAIN, CAR OF A MULTI-CAR VEHICLE AND METHOD FOR COUPLING A FIRST CAR OF A MULTI-CAR VEHICLE TO A SECOND CAR OF A MULTI-CAR VEHICLE KUHFUSS, ZACHARY L 3615 §102 Final Rejection 72d Pending Dec 20, 2022
18008885 COUPLER FOR A RAIL VEHICLE AND A RAIL VEHICLE WITH A COUPLER SMITH, JASON CHRISTOPHER 3615 §103 Non-Final OA 12d Pending Dec 07, 2022
17924864 CONVOLUTE FOR A BELLOWS FOR A GANGWAY, BELLOWS FOR A GANGWAY AND MULTI-CAR VEHICLE MEDANI, MOHAMED NMN 3611 §103 Non-Final OA 73d overdue Pending Nov 11, 2022

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