Prosecution Insights
Last updated: May 29, 2026

Hunan Brunp Ev Recycling Co. Ltd.

15 pending office actions • 11 art units • 15 examiners • 0 of 15 (0%) have an AI response strategy ready • 16 patents granted in the last 365 days

Portfolio Summary

15
Total Pending OAs
14
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 15 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

5
Overdue
1
Due this week
7
Due this month
1
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. 15 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (5)Due ≤ 7 days (1)Due ≤ 30 days (7)Due ≤ 60 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%)
10
Medium (67%)
5
Easy (33%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only10 (67%)
§112 only5 (33%)

Industry Mix

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

14
Life Sciences
93% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
7% 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.

150 h
Manual time on pending OAs
30 h
Time saved (low, 20%)
52 h
Time saved (mid, 35%)
1.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ARAQUE JR, GERARDO 1 9.6% +15.9%
PIRO, NICHOLAS ANTHONY 1 38.1% +2.5%
LIANG, ANTHONY M 1 83.2% +9.8%
SHERMAN, ERIC SCOTT 1 72.8% +7.6%
GATEWOOD, DANIEL S 1 77.8% +18.8%
GRAHAM, ANDREW D 1 59.7% +21.9%
KLINE, SYDNEY LYNN 1 76.9% +27.4%
CHANDLER, KAITY V 1 63.4% +24.4%
LI, AIQUN 1 63.9% +22.4%
CULLEN, SEAN P 1 68.9% +28.8%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18555257 METHOD FOR RECOVERING NICKEL FROM IRON-ALUMINUM SLAG OBTAINED BY BATTERY POWDER LEACHING LIANG, ANTHONY M 29d

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
18705589 CARBON EMISSION ACCOUNTING METHOD, APPARATUS, AND SYSTEM FOR RECYCLING OF WASTE BATTERY ARAQUE JR, GERARDO 14d

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18231805 PREPARATION METHOD OF PLATY ALUMINUM-DOPED COBALT CARBONATE AND USE THEREOF GATEWOOD, DANIEL S 4d overdue
18229186 PREPARATION METHOD AND APPLICATION OF LITHIUM COBALT OXIDE SOFT-PACK BATTERY LI, AIQUN 7d
18705589 CARBON EMISSION ACCOUNTING METHOD, APPARATUS, AND SYSTEM FOR RECYCLING OF WASTE BATTERY ARAQUE JR, GERARDO 14d
18227880 CATHODE MATERIAL PRECURSOR AND PREPARATION METHOD AND APPLICATION THEREOF CULLEN, SEAN P 19d
18230727 COBALT-FREE NICKEL-MANGANESE CATHODE MATERIAL AND PREPARATION AND APPLICATION THEREOF KLINE, SYDNEY LYNN 28d
18230198 FAST IONIC CONDUCTOR COATED LITHIUM-TRANSITION METAL OXIDE MATERIAL AND PREPARATION METHOD THEREOF CHANDLER, KAITY V 34d
18231798 SINTERING-RESISTANT MATERIAL, AND PREPARATION METHOD AND USE THEREOF GRAHAM, ANDREW D 70d

Top Art Units

Art UnitApps
1738 2
1736 2
1729 2
1725 2
3629 1
1734 1
1742 1
1766 1
1761 1
1733 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18705589 CARBON EMISSION ACCOUNTING METHOD, APPARATUS, AND SYSTEM FOR RECYCLING OF WASTE BATTERY ARAQUE JR, GERARDO 3629 §103 Non-Final OA 14d Pending Apr 29, 2024
18580637 NANO-SHEET FERRIC PHOSPHATE, PREPARATION METHOD THEREFOR AND USE THEREOF PIRO, NICHOLAS ANTHONY 1738 §103 Non-Final OA 9d Pending Jan 19, 2024
18555257 METHOD FOR RECOVERING NICKEL FROM IRON-ALUMINUM SLAG OBTAINED BY BATTERY POWDER LEACHING LIANG, ANTHONY M 1734 §112 Non-Final OA 29d Pending Oct 13, 2023
18371465 METHOD FOR PREPARING TERNARY CATHODE MATERIAL WITH MOLTEN SALT AND USE THEREOF SHERMAN, ERIC SCOTT 1736 §103 Non-Final OA 9d Pending Sep 22, 2023
18231805 PREPARATION METHOD OF PLATY ALUMINUM-DOPED COBALT CARBONATE AND USE THEREOF GATEWOOD, DANIEL S 1729 §112 Non-Final OA 4d overdue Pending Aug 09, 2023
18231798 SINTERING-RESISTANT MATERIAL, AND PREPARATION METHOD AND USE THEREOF GRAHAM, ANDREW D 1742 §112 Non-Final OA 70d Pending Aug 09, 2023
18230727 COBALT-FREE NICKEL-MANGANESE CATHODE MATERIAL AND PREPARATION AND APPLICATION THEREOF KLINE, SYDNEY LYNN 1729 §103 Non-Final OA 28d Pending Aug 07, 2023
18230198 FAST IONIC CONDUCTOR COATED LITHIUM-TRANSITION METAL OXIDE MATERIAL AND PREPARATION METHOD THEREOF CHANDLER, KAITY V 1725 §103 Non-Final OA 34d Pending Aug 04, 2023
18229186 PREPARATION METHOD AND APPLICATION OF LITHIUM COBALT OXIDE SOFT-PACK BATTERY LI, AIQUN 1766 §103 Non-Final OA 7d Pending Aug 02, 2023
18227880 CATHODE MATERIAL PRECURSOR AND PREPARATION METHOD AND APPLICATION THEREOF CULLEN, SEAN P 1725 §103 Non-Final OA 19d Pending Jul 28, 2023
18219122 PREPARATION METHOD FOR LITHIUM IRON PHOSPHATE CATHODE MATERIAL AND APPLICATION THEREOF YOUNG, WILLIAM D 1761 §112 Non-Final OA 15d Pending Jul 07, 2023
18213842 METHOD FOR SEPARATING AND RECOVERING VALUABLE METALS FROM WASTE TERNARY LITHIUM BATTERIES MOUDOU, EILEEN QI-YUN 1738 §103 Non-Final OA 5d overdue Pending Jun 25, 2023
18211589 METHOD FOR RECOVERING AND PURIFYING NICKEL FROM FERRONICKEL BAUM, ZACHARY JOHN 1736 §112 Non-Final OA 29d overdue Pending Jun 19, 2023
18141407 EXTRACTION METHOD FOR REMOVING ALUMINUM FROM TERNARY BATTERY MATERIAL LEACHATE MCGUTHRY BANKS, TIMA MICHELE 1733 §103 Final Rejection 87d overdue Pending Apr 29, 2023
18139947 DOPED NICKEL-RICH TERNARY MATERIAL AND PREPARATION METHOD THEREOF KOPEC, MARK T 1762 §103 Non-Final OA 91d overdue Pending Apr 26, 2023

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