Prosecution Insights
Last updated: October 04, 2026

Rio Tinto Alcan International Limited

Technology area: Chemistry & Materials

4 pending office actions • 3 art units • 3 examiners • 0 of 4 (0%) have an AI response strategy ready

Analysis

Rio Tinto Alcan International Limited currently has 3 pending office actions within the Chemistry & Materials technology area. This volume of pending actions is distributed among 2 distinct examiners, which provides a degree of variety in the examination process. The portfolio is also active across 2 distinct art units, indicating that the technical subject matter is being reviewed by different specialized groups at the patent office.

The busiest examiner for the company is MORILLO, JANELL COMBS, who is responsible for 2 busiest examiner pending office actions. This examiner handles 2 of the 3 total pending office actions, making their specific examination style a key factor for the company. Because the work is split between 2 distinct examiners and 2 distinct art units, practitioners must manage multiple sets of examiner preferences. However, the concentration of 2 actions with MORILLO, JANELL COMBS suggests that this examiner's history will have a significant impact on the current state of the portfolio.

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

Portfolio Summary

4
Total Pending OAs
1
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

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 (25%)
3
Medium (75%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (75%)
Multi-statute (no §101)1 (25%)

Industry Mix

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

4
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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MORILLO, JANELL COMBS 2 58.0% +25.8%
FIORITO, JAMES A 1 71.6% +27.9%
MCGUTHRY BANKS, TIMA MICHELE 1 81.8% +2.5%

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
17792610 MATERIAL TREATMENT APPARATUS AND PROCESS USING HYDROGEN MCGUTHRY BANKS, TIMA MICHELE —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
17784688 High Strength Aluminum Alloys MORILLO, JANELL COMBS 51d overdue
17792576 CALCINATION APPARATUS AND PROCESS USING HYDROGEN FIORITO, JAMES A —
17299282 Aluminum Extrusion Alloy MORILLO, JANELL COMBS —

Top Art Units

Art UnitApps
1733 2
1731 1
1700 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17792576 CALCINATION APPARATUS AND PROCESS USING HYDROGEN FIORITO, JAMES A 1731 §103 Final Rejection — Pending Jul 13, 2022
17792610 MATERIAL TREATMENT APPARATUS AND PROCESS USING HYDROGEN MCGUTHRY BANKS, TIMA MICHELE 1700 §102§103§112Other Final Rejection — Pending Jul 13, 2022
17784688 High Strength Aluminum Alloys MORILLO, JANELL COMBS 1733 §103 Non-Final OA 51d overdue Pending Jun 13, 2022
17299282 Aluminum Extrusion Alloy MORILLO, JANELL COMBS 1733 §103 Final Rejection — Pending Jun 02, 2021

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