Prosecution Insights
Last updated: October 27, 2026

Merz Pharma GmbH & Co. Kgaa

Technology areas: Biotechnology & Pharmaceuticals • Medical Devices & Mechanical Engineering

7 pending office actions • 6 art units • 7 examiners • 0 of 7 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Analysis

Merz Pharma GmbH & Co. Kgaa maintains a patent portfolio in the Biotechnology & Pharmaceuticals technology area. The company is currently managing 7 pending office actions. This number of pending actions suggests a broad and active prosecution strategy within the pharmaceutical sector. The volume of activity indicates that the company is frequently interacting with the patent office to secure its intellectual property rights.

The prosecution work for this portfolio is distributed across 7 distinct examiners and 6 distinct art units. This wide distribution shows that the company's patent applications cover a variety of technical sub-fields within the Biotechnology & Pharmaceuticals area. Managing multiple examiners requires a versatile approach to prosecution, as each individual may have different interpretations of patent law and office procedures. The involvement of 6 art units further highlights the technical diversity of the portfolio.

CHHAY, BONIRATH is identified as the busiest examiner for Merz Pharma GmbH & Co. Kgaa. This examiner is responsible for 1 pending office action. Although CHHAY, BONIRATH is the busiest examiner, the decentralized nature of the company's prosecution is evident. With each of the 7 pending office actions likely being handled by a different person, the company must coordinate across many different examination styles.

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

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
2
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.

0
Overdue
0
Due this week
0
Due this month
1
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 (86%)
1
Medium (14%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (29%)
§103 only1 (14%)
Multi-statute (no §101)4 (57%)

Industry Mix

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

5
Life Sciences
71% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
29% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHHAY, BONIRATH 1 62.5% +0.0%
BOATENG, AFUA BAMFOAA 1 46.7% +64.5%
FAN, LYNN Y 1 47.3% +49.8%
PONTON, JAMES D 1 80.0% +32.1%
ALDARONDO, DASIA ALI 1 0.0% +0.0%
PURDY, KYLE A 1 41.0% +35.7%
PRICE, NATHAN R 1 53.4% +38.7%

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
18620513 COMPOSITION COMPRISING BOTULINUM TOXIN FAN, LYNN Y 34d
18841985 USE OF BOTULINUM TOXIN FOR REDUCTION OF SKIN PORE SIZE AND SEBUM PRODUCTION CHHAY, BONIRATH —
18838546 LIQUID BOTULINUM TOXIN FORMULATION AND USE THEREOF BOATENG, AFUA BAMFOAA —
18292312 SYRINGE BARREL WITH VARYING SILICONE LAYER THICKNESSES, SYRINGE COMPRISING SAME AND USES THEREOF PONTON, JAMES D —
18573732 CROSS-LINKING POLYSACCHARIDE WITH FIBROIN AND USES OF THE OBTAINED MATERIAL ALDARONDO, DASIA ALI —
18043663 PLUNGER AND FINGER GRIP FOR A SYRINGE ASSEMBLY, METHOD FOR MAKING THEM, SYRINGE ASSEMBLY, KIT AND USE OF THE SAME PRICE, NATHAN R —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18620513 COMPOSITION COMPRISING BOTULINUM TOXIN FAN, LYNN Y 34d
18838546 LIQUID BOTULINUM TOXIN FORMULATION AND USE THEREOF BOATENG, AFUA BAMFOAA —
18292312 SYRINGE BARREL WITH VARYING SILICONE LAYER THICKNESSES, SYRINGE COMPRISING SAME AND USES THEREOF PONTON, JAMES D —
18178041 COMPOSITION FOR IMPROVING THE APPEARANCE OF AGEING SKIN PURDY, KYLE A —
18043663 PLUNGER AND FINGER GRIP FOR A SYRINGE ASSEMBLY, METHOD FOR MAKING THEM, SYRINGE ASSEMBLY, KIT AND USE OF THE SAME PRICE, NATHAN R —

Top Art Units

Art UnitApps
3783 2
1645 1
1617 1
1759 1
1647 1
1611 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18841985 USE OF BOTULINUM TOXIN FOR REDUCTION OF SKIN PORE SIZE AND SEBUM PRODUCTION CHHAY, BONIRATH 1645 §103§112 Non-Final OA — Pending Aug 27, 2024
18838546 LIQUID BOTULINUM TOXIN FORMULATION AND USE THEREOF BOATENG, AFUA BAMFOAA 1617 §102§103§112 Non-Final OA — Pending Aug 14, 2024
18620513 COMPOSITION COMPRISING BOTULINUM TOXIN FAN, LYNN Y 1759 §101§103§112DP Final Rejection 34d Pending Mar 28, 2024
18292312 SYRINGE BARREL WITH VARYING SILICONE LAYER THICKNESSES, SYRINGE COMPRISING SAME AND USES THEREOF PONTON, JAMES D 3783 §101§102§103§112 Non-Final OA — Pending Jan 25, 2024
18573732 CROSS-LINKING POLYSACCHARIDE WITH FIBROIN AND USES OF THE OBTAINED MATERIAL ALDARONDO, DASIA ALI 1647 §102§103 Non-Final OA — Pending Dec 22, 2023
18178041 COMPOSITION FOR IMPROVING THE APPEARANCE OF AGEING SKIN PURDY, KYLE A 1611 §103 Non-Final OA — Pending Mar 03, 2023
18043663 PLUNGER AND FINGER GRIP FOR A SYRINGE ASSEMBLY, METHOD FOR MAKING THEM, SYRINGE ASSEMBLY, KIT AND USE OF THE SAME PRICE, NATHAN R 3783 §102§103§112 Final Rejection — Pending Mar 01, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Merz Pharma GmbH & Co. Kgaa have?

Merz Pharma GmbH & Co. Kgaa has 7 pending office actions as of October 2026, spread across 6 art units and 7 examiners.

Which USPTO examiner handles the most Merz Pharma GmbH & Co. Kgaa applications?

Bonirath Chhay has the most, with 1 of Merz Pharma GmbH & Co. Kgaa's pending office actions.

What technology area are Merz Pharma GmbH & Co. Kgaa's patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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