Prosecution Insights
Last updated: May 29, 2026
Application No. 17/920,733

EXCAVATOR AND CONTROL METHOD FOR EXCAVATOR

Non-Final OA
Filed
Jun 26, 2023
Priority
Oct 19, 2020 — CN 202011119205.3 +1 more
Examiner
LEE, BRANDON DONGPA
Art Unit
3662
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Sany Heavy Machinery Limited
OA Round
2 (Non-Final)
78%
Grant Probability
Favorable
2-3
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allowance Rate
551 granted / 709 resolved
+25.7% vs TC avg
Strong +24% interview lift
Without
With
+23.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
18 currently pending
Career history
729
Total Applications
across all art units

Statute-Specific Performance

§101
1.4%
-38.6% vs TC avg
§103
73.7%
+33.7% vs TC avg
§102
5.3%
-34.7% vs TC avg
§112
4.6%
-35.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 709 resolved cases

Prosecution Timeline

Jun 26, 2023
Application Filed
Apr 14, 2025
Examiner Interview (Telephonic)
Apr 21, 2025
Non-Final Rejection mailed
Jul 18, 2025
Response Filed
Sep 10, 2025
Final Rejection mailed
Dec 09, 2025
Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

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RAPID EXHAUST CATALYST HEATING USING A GLOW PLUG
2y 2m to grant Granted May 26, 2026
Patent 12632057
INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, COMPUTER-READABLE MEDIUM, AND IMAGING SYSTEM
2y 8m to grant Granted May 19, 2026
Patent 12631135
NITROGEN OXIDES REDUCTION AGENT INJECTION ARRANGEMENT
2y 0m to grant Granted May 19, 2026
Patent 12624655
FUEL BYPASS SYSTEM FOR GASEOUS-FUELED ENGINE
1y 6m to grant Granted May 12, 2026
Patent 12618354
METHOD AND SYSTEM FOR DETECTING AND QUANTIFYING REGENERATION EVENTS IN A DIESEL PARTICULATE FILTER
2y 2m to grant Granted May 05, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

2-3
Expected OA Rounds
78%
Grant Probability
99%
With Interview (+23.6%)
2y 3m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 709 resolved cases by this examiner. Grant probability derived from career allowance rate.

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