Prosecution Insights
Last updated: October 25, 2026

Yara International ASA

Technology area: Chemistry & Materials

13 pending office actions • 8 art units • 10 examiners • 0 of 13 (0%) have an AI response strategy ready • 20 patents granted in the last 365 days

Analysis

Yara International ASA has 12 pending office actions in Chemistry & Materials, distributed among 9 examiners and 7 art units. LANGEL, WAYNE A is the busiest examiner, with 2 pending actions.

The matters span multiple examination channels, so portfolio oversight should emphasize consistent claim strategy and centralized tracking. The limited concentration with the busiest examiner suggests that examiner-specific experience may inform only part of the active docket, while art-unit differences may require tailored technical explanations.

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

Portfolio Summary

13
Total Pending OAs
9
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
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.

6
Hard (46%)
7
Medium (54%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (8%)
§103 only5 (38%)
§102 only2 (15%)
Multi-statute (no §101)5 (38%)

Industry Mix

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

11
Life Sciences
85% of docket
0
Information Tech
0% of docket
1
Communications
8% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
8% 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.

130 h
Manual time on pending OAs
26 h
Time saved (low, 20%)
46 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LANGEL, WAYNE A 2 78.4% +23.3%
FELTON, AILEEN BAKER 2 51.7% +16.7%
SILVA RAINBOW, HEATHER ELISE 2 31.4% +56.3%
BITOR, RENAE ALLYN 1 85.4% +24.0%
BUCK, MATTHEW R 1 83.3% +14.4%
PAGANO, ALEXANDER R 1 78.7% +11.4%
SEIFU, LESSANEWORK T 1 79.2% +1.3%
IQBAL, SYED TAHA 1 80.0% +21.3%
SIMKINS, SLONE ELIZABETH 1 52.8% +51.5%
PEREZ, JELITZA M 1 75.1% +28.9%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18874404 METHOD AND SYSTEM FOR PATTERN DETECTION IN AGRICULTURAL FIELDS BITOR, RENAE ALLYN —
18699106 METHOD AND SYSTEM FOR PROVIDING A SITE SPECIFIC FERTILIZER RECOMMENDATION BUCK, MATTHEW R —
18682550 METHOD FOR PRODUCING A SNCR/SCR SOLUTION PAGANO, ALEXANDER R —
18282026 USE OF THE PURGE GAS OF A FIRST AMMONIA CONVERTER FOR REDUCING THE CATALYST OF A SECOND AMMONIA CONVERTER AND METHOD AND SYSTEM THEREOF IQBAL, SYED TAHA —
18278666 METHOD AND SYSTEM FOR TREATING A STEAM CONDENSATE GENERATED BY A HIGH-PRESSURE GENERATOR OF A CARBON DIOXIDE ABSORPTION SOLUTION SIMKINS, SLONE ELIZABETH —
18038836 MONO-PRESSURE PLANT FOR THE PRODUCTION OF NITRIC ACID AND METHOD FOR OPERATING SAME PEREZ, JELITZA M —

Interview Candidates (12)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
17629922 IMPROVED UREA-BASED COMPOSITION AND METHOD FOR THE MANUFACTURE THEREOF SILVA RAINBOW, HEATHER ELISE 50d overdue
17919822 UREA AMMONIUM SULFATE-BASED COMPOSITION SILVA RAINBOW, HEATHER ELISE 9d overdue
18874404 METHOD AND SYSTEM FOR PATTERN DETECTION IN AGRICULTURAL FIELDS BITOR, RENAE ALLYN —
18700593 METHOD FOR PRODUCING A POTASSIUM-CONTAINING FERTILIZER WITH A LOW CONTENT OF WATER-INSOLUBLE MATERIAL LANGEL, WAYNE A —
18699106 METHOD AND SYSTEM FOR PROVIDING A SITE SPECIFIC FERTILIZER RECOMMENDATION BUCK, MATTHEW R —
18689019 UREA-BASED COMPOSITION COATED WITH AN INORGANIC ACID LANGEL, WAYNE A —
18682550 METHOD FOR PRODUCING A SNCR/SCR SOLUTION PAGANO, ALEXANDER R —
18282026 USE OF THE PURGE GAS OF A FIRST AMMONIA CONVERTER FOR REDUCING THE CATALYST OF A SECOND AMMONIA CONVERTER AND METHOD AND SYSTEM THEREOF IQBAL, SYED TAHA —

Top Art Units

Art UnitApps
1736 4
1734 2
1731 2
2663 1
3672 1
1692 1
1774 1
1735 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18874404 METHOD AND SYSTEM FOR PATTERN DETECTION IN AGRICULTURAL FIELDS BITOR, RENAE ALLYN 2663 §102§103§112 Non-Final OA — Pending Dec 12, 2024
18700593 METHOD FOR PRODUCING A POTASSIUM-CONTAINING FERTILIZER WITH A LOW CONTENT OF WATER-INSOLUBLE MATERIAL LANGEL, WAYNE A 1736 §103 Non-Final OA — Pending Apr 11, 2024
18699106 METHOD AND SYSTEM FOR PROVIDING A SITE SPECIFIC FERTILIZER RECOMMENDATION BUCK, MATTHEW R 3672 §101 Final Rejection — Pending Apr 05, 2024
18689019 UREA-BASED COMPOSITION COATED WITH AN INORGANIC ACID LANGEL, WAYNE A 1736 §103 Non-Final OA — Pending Mar 04, 2024
18682550 METHOD FOR PRODUCING A SNCR/SCR SOLUTION PAGANO, ALEXANDER R 1692 §103§112 Non-Final OA — Pending Feb 09, 2024
18559214 SYSTEM FOR EVACUATING NOx GASES FROM A NITRIC ACID STORAGE TANK SEIFU, LESSANEWORK T 1774 §102 Non-Final OA — Pending Nov 06, 2023
18282026 USE OF THE PURGE GAS OF A FIRST AMMONIA CONVERTER FOR REDUCING THE CATALYST OF A SECOND AMMONIA CONVERTER AND METHOD AND SYSTEM THEREOF IQBAL, SYED TAHA 1736 §102§112 Non-Final OA — Pending Sep 14, 2023
18280520 EMULSION-TYPE EXPLOSIVES OF THE WATER-IN-OIL TYPE FELTON, AILEEN BAKER 1734 §102 Non-Final OA — Pending Sep 06, 2023
18280526 EMULSION-TYPE EXPLOSIVES OF THE WATER-IN-OIL TYPE FELTON, AILEEN BAKER 1734 §103 Non-Final OA — Pending Sep 06, 2023
18278666 METHOD AND SYSTEM FOR TREATING A STEAM CONDENSATE GENERATED BY A HIGH-PRESSURE GENERATOR OF A CARBON DIOXIDE ABSORPTION SOLUTION SIMKINS, SLONE ELIZABETH 1735 §103§112 Final Rejection — Pending Aug 24, 2023
18038836 MONO-PRESSURE PLANT FOR THE PRODUCTION OF NITRIC ACID AND METHOD FOR OPERATING SAME PEREZ, JELITZA M 1736 §103§112 Non-Final OA — Pending May 25, 2023
17919822 UREA AMMONIUM SULFATE-BASED COMPOSITION SILVA RAINBOW, HEATHER ELISE 1731 §103 Final Rejection 9d overdue Pending Oct 19, 2022
17629922 IMPROVED UREA-BASED COMPOSITION AND METHOD FOR THE MANUFACTURE THEREOF SILVA RAINBOW, HEATHER ELISE 1731 §103 Final Rejection 50d overdue Pending Jan 25, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Yara International ASA have?

Yara International ASA has 13 pending office actions as of October 2026, spread across 8 art units and 10 examiners.

Which USPTO examiner handles the most Yara International ASA applications?

Wayne A Langel has the most, with 2 of Yara International ASA's pending office actions.

What technology area are Yara International ASA's patent applications in?

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

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