Prosecution Insights
Last updated: October 25, 2026

Swellfix UK Limited

Technology area: Transportation, E-Commerce & Mechanical Systems

3 pending office actions • 1 art units • 2 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

Swellfix UK Limited has 3 pending office actions in Transportation, E-Commerce & Mechanical Systems. The matters involve 2 distinct examiners and 1 art unit, indicating examiner variation within a common technical examination setting.

AHUJA, ANURADHA is the busiest examiner, with 2 pending matters. Counsel can develop a consistent approach for that examiner’s matters while separately addressing the remaining assignment.

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

Portfolio Summary

3
Total Pending OAs
0
Non-Final OAs
3
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
2
Due this month
0
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (2)

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%)
3
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (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
0
Semiconductors
0% of docket
3
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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
AHUJA, ANURADHA 2 72.7% +56.2%
LEFF, ANGELA MARIE DITRAN 1 69.7% +13.2%

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
19112343 Method for Treating a Geological Formation AHUJA, ANURADHA 4d overdue
19112379 METHOD FOR TREATING A GEOLOGICAL FORMATION AHUJA, ANURADHA 12d
18992828 HYDROGEN SULFIDE SCAVENGING COMPOSITIONS LEFF, ANGELA MARIE DITRAN 15d

Top Art Units

Art UnitApps
3674 3

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19112343 Method for Treating a Geological Formation AHUJA, ANURADHA 3674 §103Other Final Rejection 4d overdue Pending Mar 17, 2025
19112379 METHOD FOR TREATING A GEOLOGICAL FORMATION AHUJA, ANURADHA 3674 §103 Final Rejection 12d Pending Mar 17, 2025
18992828 HYDROGEN SULFIDE SCAVENGING COMPOSITIONS LEFF, ANGELA MARIE DITRAN 3674 §103Other Final Rejection 15d Pending Jan 09, 2025

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Frequently Asked Questions

How many pending USPTO office actions does Swellfix UK Limited have?

Swellfix UK Limited has 3 pending office actions as of October 2026, spread across 1 art units and 2 examiners.

Which USPTO examiner handles the most Swellfix UK Limited applications?

Anuradha Ahuja has the most, with 2 of Swellfix UK Limited's pending office actions.

What technology area are Swellfix UK Limited's patent applications in?

Mostly Transportation, E-Commerce & Mechanical Systems (USPTO Tech Center 3600), based on where its pending office actions are examined.

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