Prosecution Insights
Last updated: October 14, 2026

Merck Patent GmbH

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

90 pending office actions • 47 art units • 72 examiners • 0 of 90 (0%) have an AI response strategy ready • 99 patents granted in the last 365 days

Analysis

Merck Patent GmbH maintains a robust patent portfolio in the Chemistry & Materials technology area, as shown by 92 pending office actions. This volume of activity reflects a consistent effort to protect its chemical innovations. These 92 actions are spread across 74 distinct examiners, which indicates that many examiners are reviewing the applications from the company.

The portfolio is distributed across 33 distinct art units. This suggests that the company's research and development span multiple specialized fields within chemistry and materials. Practitioners must be prepared to handle the 92 pending office actions by understanding the specific technical requirements of these 33 different art units.

VISCONTI, GERALDINA is the busiest examiner for Merck Patent GmbH, with 5 pending office actions. While this is the highest concentration for any examiner, it is a small fraction of the total pending office actions. The involvement of 74 distinct examiners shows that the portfolio's prosecution is largely decentralized, meaning that the company's overall success is not tied to the decisions of just a few USPTO employees.

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

Portfolio Summary

90
Total Pending OAs
68
Non-Final OAs
22
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 29 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

14
Overdue
4
Due this week
4
Due this month
6
Due in next 60 days
1
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 29 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (14)Due ≤ 7 days (4)Due ≤ 30 days (4)Due ≤ 60 days (6)Due later (1)

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.

47
Hard (52%)
31
Medium (34%)
10
Easy (11%)
2
Unknown (2%)

Rejection Statute Mix

BucketCases
§101 + other1 (1%)
§103 only17 (19%)
§102 only4 (4%)
§112 only9 (10%)
Double-patenting only1 (1%)
Double-patenting + other10 (11%)
Multi-statute (no §101)46 (51%)
No statute on record2 (2%)

Industry Mix

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

83
Life Sciences
92% of docket
0
Information Tech
0% of docket
1
Communications
1% of docket
3
Semiconductors
3% of docket
2
Mechanical / Eng
2% of docket
1
Business / Other
1% 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.

900 h
Manual time on pending OAs
180 h
Time saved (low, 20%)
315 h
Time saved (mid, 35%)
7.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VISCONTI, GERALDINA 5 86.5% +1.5%
EDWARDS, LYDIA E 4 60.1% +6.0%
CHAMPION, RICHARD DAVID 4 46.1% +12.9%
LOEWE, ROBERT S 3 83.9% +3.8%
SIMBANA, RACHEL A 3 62.3% +44.8%
YANG, JAY LEE 2 73.8% +2.2%
JEON, SEOKMIN 2 59.6% +53.1%
RAMIREZ, ALEX 2 81.7% +19.9%
MALLOY, ANNA E 2 46.5% -3.9%
PROCTOR, CACHET I 1 77.2% +5.8%

Quick Wins (7)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18145464 LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME LOEWE, ROBERT S 9d overdue
18033195 TRANSFER DEVICE FOR TRANFERRING A PLURALITY OF OBJECTS THROUGH A TRANSFER PORT RAMIREZ, ALEX 4d overdue
18868036 FERROELECTRIC SMECTIC LIQUID CRYSTALLINE MEDIUM VISCONTI, GERALDINA 30d
19457941 LIQUID-CRYSTALLINE MEDIUM VISCONTI, GERALDINA —
19457364 LIQUID-CRYSTALLINE MEDIUM VISCONTI, GERALDINA —
18702248 ELECTRO-MECHANICAL CONVERTERS USING FERROELECTRIC NEMATIC MATERIAL VISCONTI, GERALDINA —
18270734 MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES LOEWE, ROBERT S —

Hard Cases (47)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18033724 COMPOUNDS FOR THE TREATMENT OF VIRAL INFECTIONS FETTEROLF, BRANDON J 190d overdue
18042040 PROCESS SYSTEM FOR BIOREACTOR-BASED CLEAN MEAT PRODUCTION STAVROU, CONSTANTINA E 59d overdue
18042037 CONSUMABLE TISSUE-LIKE STRUCTURE GENERATED WITH MUSCLE CELLS GROWN ON EDIBLE HOLLOW FIBERS SPENCE, JENNIFER SUZANNE 30d overdue
17613524 HOLDING DEVICE AND APPARATUS FOR AUTOMATED STOPCOCK ACTUATION DIPERT, FORREST BLAKE 30d overdue
17612058 A NEGATIVE TONE LIFT OFF RESIST COMPOSITION COMPRISING AN ALKALI SOLUBLE RESIN AND A PHOTO ACID GENERATOR, AND A METHOD FOR MANUFACTURING METAL FILM PATTERNS ON A SUBSTRATE. MALLOY, ANNA E 8d overdue
18033209 TRANSPORT PACKAGING FOR A PLURALITY OF PETRI-DISHES AND BLISTER PACKAGING WITH A PLURALITY OF PETRI-DISHES RAMIREZ, ALEX 4d overdue
17611500 TREATMENT OF ISCHEMIC STROKE WITH APTAMERS TARGETING TLR-4 CORDAS, EMILY ANN 1d overdue
18031470 POLOXAMERS FOR CELL CULTURE SPENCER, ANDREA LYNNE MORRIS 6d

Interview Candidates (11)

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
17599093 POSITIVE TYPE RESIST COMPOSITION AND METHOD FOR MANUFACTURING RESIST PATTERN USING THE SAME CHAMPION, RICHARD DAVID 66d overdue
18033195 TRANSFER DEVICE FOR TRANFERRING A PLURALITY OF OBJECTS THROUGH A TRANSFER PORT RAMIREZ, ALEX 4d overdue
18033209 TRANSPORT PACKAGING FOR A PLURALITY OF PETRI-DISHES AND BLISTER PACKAGING WITH A PLURALITY OF PETRI-DISHES RAMIREZ, ALEX 4d overdue
17910001 ORGANIC ELECTROLUMINESCENT APPARATUS SIMBANA, RACHEL A 33d
18039988 MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES JEON, SEOKMIN —
18034891 MATERIALS FOR ELECTRONIC DEVICES SIMBANA, RACHEL A —
18032358 ORGANIC ELECTROLUMINESCENT DEVICE JEON, SEOKMIN —
17442835 THIN FILM RESIST COMPOSITION AND METHOD FOR MANUFACTURING RESIST FILM USING THE SAME CHAMPION, RICHARD DAVID —

Top Art Units

Art UnitApps
1737 14
1786 10
1626 4
1796 4
1766 3
1712 2
2855 2
1628 2
1623 2
1779 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19457941 LIQUID-CRYSTALLINE MEDIUM VISCONTI, GERALDINA 1737 §102§103§112DP Non-Final OA — Pending Jan 23, 2026
19457364 LIQUID-CRYSTALLINE MEDIUM VISCONTI, GERALDINA 1737 §102§103§112DP Non-Final OA — Pending Jan 23, 2026
19099935 POLYMER BRUSHES WITH CHAIN-ENDS FUNCTIONALIZED WITH METAL COORDINATING TWO HETERO ELEMENTS FOR SELECTIVE SURFACE MODIFICATION PROCTOR, CACHET I 1712 — Non-Final OA — Pending Jan 30, 2025
19019712 SOLAR CELLS DAM, DUSTIN Q 1721 §103 Non-Final OA — Pending Jan 14, 2025
18881183 Pharmaceutical composition and method for enhancing solubility of poorly soluble active pharmaceutical ingredients ALAWADI, SARAH 1619 §102§103Other Non-Final OA — Pending Jan 03, 2025
18881175 SAMPLING LID ASSEMBLY FOR PARTICLE MONITORING SYSTEM LARKIN, DANIEL SEAN 2855 §102§103§112 Non-Final OA — Pending Jan 03, 2025
18872672 COMPOSITIONS COMPRISING DISODIUM 5,10-METHYLENE-(6R)-TETRAHYDROFOLATE SZNAIDMAN, MARCOS L 1628 §102§103 Non-Final OA 34d Pending Dec 06, 2024
18868036 FERROELECTRIC SMECTIC LIQUID CRYSTALLINE MEDIUM VISCONTI, GERALDINA 1737 §102§103§112DP Non-Final OA 30d Pending Nov 21, 2024
18860780 A SEMI-AUTOMATIC SEGMENTATION SYSTEM FOR PARTICLE MEASUREMENTS FROM MICROSCOPY IMAGES YANG, QIAN 2677 §103§112 Non-Final OA — Pending Oct 28, 2024
18927285 SILICON PRECURSOR COMPOUND AND PREPARATION METHOD THEREFOR, AND SILICON-CONTAINING THIN FILM PREPARATION METHOD USING SILICON PRECURSOR BAKSHI, PANCHAM 1623 §103 Non-Final OA — Pending Oct 25, 2024
18853691 Multi-Use Sensor Holder EYASSU, MARRIT 2855 §102§103 Non-Final OA — Pending Oct 02, 2024
18848961 NEGATIVELY CHARGED SILICA PARTICLES, METHOD OF PRODUCING SUCH PARTICLES, COMPOSITIONS COMPRISING SUCH PARTICLES, AND A METHOD OF CHEMICAL-MECHANICAL POLISHING USING SUCH PARTICLES DUCLAIR, STEPHANIE P. 1713 §103 Non-Final OA — Pending Sep 20, 2024
18888536 LIQUID-CRYSTAL MEDIUM VISCONTI, GERALDINA 1737 §102§103 Non-Final OA 16d Pending Sep 18, 2024
18847937 METHODS AND COMPOSITIONS FOR PURIFYING ADENO ASSOCIATED VIRUS PARTICLES ZOU, NIANXIANG 1671 §102§103§112 Non-Final OA — Pending Sep 17, 2024
18827292 MANUFACTURING SEMICONDUCTOR DEVICE USING SELECTIVE DIELECTRIC ON DIELECTRIC (DOD) DEPOSITION PROCESS LEE, DA WEI 2817 §102§103 Non-Final OA — Pending Sep 06, 2024
18835879 METAL EFFECT PIGMENTS WITH SURFACE-TREATMENTS, PREPARING METHOD AND USE OF SAME ALLEY, GENEVIEVE S 1617 §102§103 Non-Final OA — Pending Aug 05, 2024
18834636 THERAGNOSTIC FOLATE CONJUGATES MEJIAS, SAMANTHA LEE 1618 §103§112DPOther Non-Final OA — Pending Jul 31, 2024
18834637 THERAGNOSTIC FOLATE CONJUGATES LEWOCZKO, EVAN MICHAEL 1612 §103§112DP Non-Final OA — Pending Jul 31, 2024
18767505 ARYLQUINAZOLINES ANDERSON, REBECCA L 1626 DP Non-Final OA — Pending Jul 09, 2024
18708273 MATERIAL AND METHOD FOR PERFORMING A SEPARATION BASED ON BORON CLUSTERS KIEFER, DALTON EDWARD 1652 §102§112 Non-Final OA — Pending May 08, 2024
18705770 HETEROBIFUNCTIONAL MOLECULES AS TEAD INHIBITORS ENGLISH, CONNOR KENNEDY 1625 §112 Non-Final OA — Pending Apr 29, 2024
18702248 ELECTRO-MECHANICAL CONVERTERS USING FERROELECTRIC NEMATIC MATERIAL VISCONTI, GERALDINA 1737 §103 Non-Final OA — Pending Apr 17, 2024
18694468 STIRRING DEVICE FOR STIRRING A BIPHASIC LIQUID HOWELL, MARC C 1774 §102§103 Non-Final OA — Pending Mar 22, 2024
18692965 INTEGRATED SOLUTION FOR PROCESS INTENSIFICATION USING INLINE CONSTANTLY PRESSURIZED TANK: "ICPT" PERRIN, CLARE M 1779 §103§112 Non-Final OA — Pending Mar 18, 2024
18691484 POLYSILOXANE FORMULATION YOON, TAE H 1762 §102§103§112 Non-Final OA — Pending Mar 13, 2024
18687336 COMPOSITION MURATA, AUSTIN 1712 §103 Non-Final OA 27d Pending Feb 28, 2024
18684228 METHOD FOR PRODUCING SILICA PARTICLES, SILICA PARTICLES PRODUCED BY SUCH METHOD, COMPOSITIONS AND USES OF SUCH SILICA PARTICLES MCCRACKEN, DANIEL 1736 §103 Non-Final OA — Pending Feb 16, 2024
18682850 LAYER CONTAINING EFFECT PIGMENTS AND SCATTERING ADDITIVES CHERN, CHRISTINA 1722 §103§112 Non-Final OA — Pending Feb 09, 2024
18292046 WATER SOLUBLE PRODRUG, CONJUGATES AND USES THEREOF KIM, SEONG JONG 1621 §112 Non-Final OA — Pending Jan 25, 2024
18291529 SRPK INHIBITORS CLARK, AMY LYNN 1628 §102§103§112 Non-Final OA — Pending Jan 23, 2024
18291526 DEPTH FILTER MEDIA ROTONDI, CONNOR JON 1779 §102§103§112 Non-Final OA — Pending Jan 23, 2024
18578342 ELECTRONIC DEVICE MANUFACTURING AQUEOUS SOLUTION, METHOD FOR MANUFACTURING RESIST PATTERN AND METHOD FOR MANUFACTURING DEVICE FRASER, STEWART A 1724 §102§103§112Other Non-Final OA — Pending Jan 11, 2024
18576805 PRODUCTION OF DIORGANOTIN DIHALIDES BONAPARTE, AMY C 1692 §103§112 Non-Final OA — Pending Jan 05, 2024
18565554 METHOD FOR USING COMPOSITION COMPRISING ORGANIC ACID COMPOUND, LITHOGRAPHY COMPOSITION COMPRISING ORGANIC ACID COMPOUND, AND METHOD FOR MANUFACTURING RESIST PATTERN EOFF, ANCA 1722 §102§103§112 Final Rejection — Pending Nov 30, 2023
18561506 EGFR TARGETING FC ANTIGEN BINDING FRAGMENT-DRUG CONJUGATES CHASE, CAROL ANN 1646 §102§112 Non-Final OA — Pending Nov 16, 2023
18557706 PROCESS FOR THE PRODUCTION OF FLAKE-FORM, CRYSTALLINE PARTICLES HAVING AN AURIVILLIUS STRUCTURE AND THE USE THEREOF AS EFFECT PIGMENTS OR SUBSTRATES THEREOF GREEN, ANTHONY J 1731 §102§112 Non-Final OA — Pending Oct 27, 2023
18557492 AN AIR OR BREATH SAMPLING DEVICE CAPTURING BOTH AEROSOL AND VAPOR FRACTIONS MCCORMACK, ERIN KATHLEEN 3791 §102§103§112 Non-Final OA — Pending Oct 26, 2023
18376872 MATERIALS FOR ELECTRONIC DEVICES YANG, JAY LEE 1786 §103§112 Final Rejection — Pending Oct 05, 2023
18270734 MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES LOEWE, ROBERT S 1766 §102 Non-Final OA — Pending Jul 03, 2023
18266827 MATERIALS FOR ELECTRONIC DEVICES LOEWE, ROBERT S 1766 §102§103§112 Non-Final OA — Pending Jun 13, 2023
18265177 DIELECTRIC MATERIALS BASED ON BISMALEIMIDES CONTAINING CARDO/SPIRO MOIETIES BROOKS, KREGG T 1764 §103 Final Rejection 58d overdue Pending Jun 02, 2023
18039988 MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES JEON, SEOKMIN 1786 §102§103 Non-Final OA — Pending Jun 02, 2023
18038265 Water Purification System With Inline Measurement Of Total Organic Carbon And Method Of Operating Such System KEYWORTH, PETER 1777 §103 Final Rejection 33d Pending May 23, 2023
18251922 PHOTORESIST REMOVER COMPOSITIONS LEE, ALEXANDER N 1737 §102§103 Non-Final OA 34d Pending May 05, 2023
18034891 MATERIALS FOR ELECTRONIC DEVICES SIMBANA, RACHEL A 1786 §102§103 Non-Final OA — Pending May 02, 2023
18033724 COMPOUNDS FOR THE TREATMENT OF VIRAL INFECTIONS FETTEROLF, BRANDON J 1626 §101§103§112 Non-Final OA 190d overdue Pending Apr 25, 2023
18033195 TRANSFER DEVICE FOR TRANFERRING A PLURALITY OF OBJECTS THROUGH A TRANSFER PORT RAMIREZ, ALEX 1798 §103 Non-Final OA 4d overdue Pending Apr 21, 2023
18033259 CARTRIDGE, TRANSFER DEVICE, METHOD FOR SAMPLING AIR, AND PRODUCTION ISOLATOR SYSTEM HASSAN, LIBAN M 1799 §103 Final Rejection 31d overdue Pending Apr 21, 2023
18033209 TRANSPORT PACKAGING FOR A PLURALITY OF PETRI-DISHES AND BLISTER PACKAGING WITH A PLURALITY OF PETRI-DISHES RAMIREZ, ALEX 1798 §103§112 Final Rejection 4d overdue Pending Apr 21, 2023
18032358 ORGANIC ELECTROLUMINESCENT DEVICE JEON, SEOKMIN — §103 Non-Final OA — Pending Apr 18, 2023

View all 90 →

Managing Merck Patent GmbH's Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Frequently Asked Questions

How many pending USPTO office actions does Merck Patent GmbH have?

Merck Patent GmbH has 90 pending office actions as of October 2026, spread across 47 art units and 72 examiners.

Which USPTO examiner handles the most Merck Patent GmbH applications?

Geraldina Visconti has the most, with 5 of Merck Patent GmbH's pending office actions.

What technology area are Merck Patent GmbH's patent applications in?

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

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month