Prosecution Insights
Last updated: October 25, 2026

Vifor Fresenius Medical Care Renal Pharma Ltd.

Technology area: Chemistry & Materials

1 pending office actions • 1 art units • 1 examiners • 1 of 1 (100%) have an AI response strategy ready

Analysis

Vifor Fresenius Medical Care Renal Pharma Ltd. currently has 1 pending office action in the Chemistry & Materials technology area. This action is assigned to 1 distinct examiner and is located within 1 distinct art unit. This indicates a focused prosecution effort for the company's current material-related innovations. The presence of 1 distinct art unit means the company is dealing with a single set of procedural expectations for its chemistry filings.

XU, JIANGTIAN is the busiest examiner for this portfolio, managing 1 pending office action. As the sole examiner currently reviewing the company's work, Xu's specific examination patterns will be a factor in the prosecution outcome. The fact that the 1 pending office action is handled by 1 distinct examiner allows for a highly focused prosecution strategy. This streamlined environment simplifies the coordination of the company's intellectual property efforts.

Practitioners should focus on the technical details relevant to the 1 pending office action to ensure a robust response. Because the portfolio is limited to 1 distinct art unit, the company can focus its resources on the specific examination trends of that unit. The 1 distinct examiner and 1 distinct art unit allow for a direct path toward resolving the pending matter. Strategy should be informed by the specific requirements of the Chemistry & Materials field.

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

Portfolio Summary

1
Total Pending OAs
0
Non-Final OAs
0
Final Rejections
1
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.

0
Overdue
0
Due this week
1
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.

0
Hard (0%)
1
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (100%)

Industry Mix

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

1
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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
XU, JIANGTIAN 1 64.9% +35.5%

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18011951 Manufacturing Method for Polynuclear Iron Compounds Stabilized by Carbohydrates and/or Humic Acid XU, JIANGTIAN 28d

Top Art Units

Art UnitApps
1762 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18011951 Manufacturing Method for Polynuclear Iron Compounds Stabilized by Carbohydrates and/or Humic Acid XU, JIANGTIAN 1762 §103 Non-Final OA 28d AI Ready Dec 21, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Vifor Fresenius Medical Care Renal Pharma Ltd. have?

Vifor Fresenius Medical Care Renal Pharma Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Vifor Fresenius Medical Care Renal Pharma Ltd. applications?

Jiangtian Xu has the most, with 1 of Vifor Fresenius Medical Care Renal Pharma Ltd.'s pending office actions.

What technology area are Vifor Fresenius Medical Care Renal Pharma Ltd.'s patent applications in?

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

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