Prosecution Insights
Last updated: October 25, 2026

Doyo Engineering Co. Ltd.

Technology area: Transportation, E-Commerce & Mechanical Systems

2 pending office actions • 1 art units • 1 examiners • 0 of 2 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Doyo Engineering Co. Ltd. currently has 2 pending office actions within the Transportation, E-Commerce & Mechanical Systems technology area. Both of these actions are assigned to 1 distinct examiner. Furthermore, all current activity is contained within 1 distinct art unit, showing a high level of concentration for the company's pending matters.

The busiest examiner for the portfolio is JEFFERSON, TIFFANY DOMONIQUE, who is managing 2 pending office actions. This examiner handles the company's current pending workload. This concentration means that the prosecution success for Doyo Engineering Co. Ltd. in this technology area is currently tied to the decisions of a single individual.

The involvement of only 1 distinct art unit suggests that the company's innovations are focused within a specific niche of Transportation, E-Commerce & Mechanical Systems. Practitioners should prioritize understanding the examination style of JEFFERSON, TIFFANY DOMONIQUE. The 2 pending office actions provide multiple points of contact with the same examiner.

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

Portfolio Summary

2
Total Pending OAs
0
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

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%)
2
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (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
2
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.

20 h
Manual time on pending OAs
4 h
Time saved (low, 20%)
7 h
Time saved (mid, 35%)
0.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
JEFFERSON, TIFFANY DOMONIQUE 2 40.0% -7.8%

Top Art Units

Art UnitApps
3654 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18621231 FISHING REEL INCLUDING MAGNETS DISPLACEABLE PERPENDICULARLY TO AXIAL DIRECTION OF SPOOL JEFFERSON, TIFFANY DOMONIQUE 3654 §103 Final Rejection — Pending Mar 29, 2024
18531249 FISHING REEL INCLUDING VARIABLE BRAKE DISPLACEABLE IN AXIAL DIRECTION OF SPOOL AND MAGNET DISPLACEABLE PERPENDICULARLY TO AXIAL DIRECTION OF SPOOL JEFFERSON, TIFFANY DOMONIQUE 3654 §103 Final Rejection — Pending Dec 06, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Doyo Engineering Co. Ltd. have?

Doyo Engineering Co. Ltd. has 2 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Doyo Engineering Co. Ltd. applications?

Tiffany Domonique Jefferson has the most, with 2 of Doyo Engineering Co. Ltd.'s pending office actions.

What technology area are Doyo Engineering Co. Ltd.'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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