Prosecution Insights
Last updated: October 25, 2026

Kanto Natural Gas Development Co. Ltd.

Technology area: Chemistry & Materials

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

Analysis

Kanto Natural Gas Development Co. Ltd. currently has 1 pending office action in the Chemistry & Materials technology area. This 1 pending office action represents the current active status of the company's patent filings. The matter is being reviewed by 1 distinct examiner, which allows for a focused and consistent prosecution strategy. Interacting with 1 distinct examiner means the company can concentrate on the specific feedback and procedural style of one individual at the patent office.

The company's active application is assigned to 1 distinct art unit. This placement in 1 distinct art unit indicates a specific technical focus within the chemistry and materials field. DRODGE, JOSEPH W is the busiest examiner for this portfolio, currently managing 1 pending office action. Since DRODGE, JOSEPH W is responsible for 1 pending office action, this examiner handles the company's active patent examination. The fact that the busiest examiner oversees the only pending action highlights that the company's immediate patent goals are dependent on the review of this single official.

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

Portfolio Summary

1
Total Pending OAs
0
Non-Final OAs
1
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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

Industry Mix

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

1
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% 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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DRODGE, JOSEPH W 1 78.3% +38.0%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18687602 BIOREACTOR AND CARBON DIOXIDE RECYCLING SYSTEM DRODGE, JOSEPH W —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18687602 BIOREACTOR AND CARBON DIOXIDE RECYCLING SYSTEM DRODGE, JOSEPH W —

Top Art Units

Art UnitApps
1773 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18687602 BIOREACTOR AND CARBON DIOXIDE RECYCLING SYSTEM DRODGE, JOSEPH W 1773 §102§103 Final Rejection — Pending Feb 28, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Kanto Natural Gas Development Co. Ltd. have?

Kanto Natural Gas Development Co. Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Kanto Natural Gas Development Co. Ltd. applications?

Joseph W Drodge has the most, with 1 of Kanto Natural Gas Development Co. Ltd.'s pending office actions.

What technology area are Kanto Natural Gas Development Co. Ltd.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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