Prosecution Insights
Last updated: October 04, 2026

Primearth Ev Energy Co. Ltd.

Technology area: Chemistry & Materials

10 pending office actions • 8 art units • 9 examiners • 0 of 10 (0%) have an AI response strategy ready • 10 patents granted in the last 365 days

Analysis

Primearth Ev Energy Co. Ltd. maintains a robust and technically diverse patent portfolio within the Chemistry & Materials technology area. The company is currently managing 10 pending office actions, indicating a high level of ongoing prosecution activity. This workload is distributed across 9 distinct examiners, which provides a broad range of perspectives on the company's applications. PILLAY, DEVINA is the busiest examiner, currently handling 2 pending office actions, while the remaining 8 actions are spread among other officials.

The technical breadth of the portfolio is further demonstrated by the involvement of 8 distinct art units. This high number of art units relative to the 10 pending office actions suggests that the company's innovations span multiple specialized sub-fields. For practitioners, this distribution requires a highly adaptable strategy, as each of the 8 art units may have its own specific examination standards. The fact that 9 distinct examiners are involved means the company must manage a variety of individual examiner preferences across its pending matters.

With 10 pending office actions and 8 distinct art units, the company has a complex prosecution landscape. Because PILLAY, DEVINA handles 2 pending office actions, her specific feedback has a slightly larger impact than other examiners, but the portfolio remains well-diversified. This structure mitigates the risk of any single examiner's tendencies affecting the entire portfolio. Practitioners should focus on coordinating arguments across the 8 distinct art units to ensure a consistent intellectual property strategy for Primearth Ev Energy Co. Ltd.

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

Portfolio Summary

10
Total Pending OAs
6
Non-Final OAs
4
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.

4
Hard (40%)
6
Medium (60%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (40%)
Double-patenting + other2 (20%)
Multi-statute (no §101)4 (40%)

Industry Mix

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

8
Life Sciences
80% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
20% 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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PILLAY, DEVINA 2 44.2% +25.9%
COLTON, JENNA XIANXIAN 1 — —
SAUND, SIMRAN SINGH 1 — —
CARVALHO JR., ARMINDO 1 50.3% +29.0%
BROWN, SANDRA LASHAUN 1 — —
MCMULLEN, NATHAN ANDREW JON 1 — —
OHARA, BRIAN R 1 79.5% +9.1%
WEST, ROBERT GENE 1 74.8% +24.4%
KASS-MULLET, BENJAMIN ELI 1 70.4% +8.3%

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18617697 BATTERY COLTON, JENNA XIANXIAN —
18510653 METHOD FOR MANUFACTURING ELECTRICAL STORAGE DEVICE PILLAY, DEVINA —
18462408 METHOD FOR PRODUCING POWER STORAGE DEVICE AND POWER STORAGE DEVICE BROWN, SANDRA LASHAUN —
18461512 POWER STORAGE DEVICE OHARA, BRIAN R —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18510653 METHOD FOR MANUFACTURING ELECTRICAL STORAGE DEVICE PILLAY, DEVINA —
18475211 METHOD FOR PRODUCING POWER STORAGE DEVICE AND POWER STORAGE DEVICE CARVALHO JR., ARMINDO —
18464265 METHOD FOR PRODUCING POWER STORAGE DEVICE AND POWER STORAGE DEVICE PILLAY, DEVINA —
18303568 SEALED BATTERY WEST, ROBERT GENE —

Top Art Units

Art UnitApps
1748 1
1729 1
1726 1
1782 1
1788 1
1724 1
1721 1
1752 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18617697 BATTERY COLTON, JENNA XIANXIAN — §102§103 Non-Final OA — Pending Mar 27, 2024
18510653 METHOD FOR MANUFACTURING ELECTRICAL STORAGE DEVICE PILLAY, DEVINA — §102§103§112 Non-Final OA — Pending Nov 16, 2023
18493806 POWER STORAGE DEVICE SAUND, SIMRAN SINGH 1748 §102§103§112DP Non-Final OA — Pending Oct 25, 2023
18475211 METHOD FOR PRODUCING POWER STORAGE DEVICE AND POWER STORAGE DEVICE CARVALHO JR., ARMINDO 1729 §103 Final Rejection — Pending Sep 27, 2023
18464265 METHOD FOR PRODUCING POWER STORAGE DEVICE AND POWER STORAGE DEVICE PILLAY, DEVINA 1726 §103 Non-Final OA — Pending Sep 11, 2023
18462408 METHOD FOR PRODUCING POWER STORAGE DEVICE AND POWER STORAGE DEVICE BROWN, SANDRA LASHAUN 1782 §103§112Other Non-Final OA — Pending Sep 07, 2023
18462411 METHOD FOR PRODUCING POWER STORAGE DEVICE MCMULLEN, NATHAN ANDREW JON 1788 §103§112DP Non-Final OA — Pending Sep 07, 2023
18461512 POWER STORAGE DEVICE OHARA, BRIAN R 1724 §102§103 Final Rejection — Pending Sep 06, 2023
18303568 SEALED BATTERY WEST, ROBERT GENE 1721 §103 Final Rejection — Pending Apr 20, 2023
18303572 SEALED BATTERY KASS-MULLET, BENJAMIN ELI 1752 §103 Final Rejection — Pending Apr 20, 2023

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