Prosecution Insights
Last updated: May 29, 2026

Entegris Inc.

45 pending office actions • 28 art units • 40 examiners • 0 of 45 (0%) have an AI response strategy ready • 64 patents granted in the last 365 days

Portfolio Summary

45
Total Pending OAs
30
Non-Final OAs
13
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 44 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

13
Overdue
3
Due this week
18
Due this month
6
Due in next 60 days
4
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. 44 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (13)Due ≤ 7 days (3)Due ≤ 30 days (18)Due ≤ 60 days (6)Due later (4)

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%)
40
Medium (89%)
4
Easy (9%)
1
Unknown (2%)

Rejection Statute Mix

BucketCases
§103 only37 (82%)
§102 only3 (7%)
§112 only4 (9%)
No statute on record1 (2%)

Industry Mix

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

28
Life Sciences
62% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
4
Semiconductors
9% of docket
13
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.

450 h
Manual time on pending OAs
90 h
Time saved (low, 20%)
158 h
Time saved (mid, 35%)
3.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
AHMED, SHAMIM 2 78.5% +22.0%
BUI, LUAN KIM 2 69.0% +28.3%
MENON, KRISHNAN S 2 59.8% +11.8%
GONZALEZ, MADELINE 2 72.4% +15.7%
MOORE, KARLA A 2 43.1% +14.5%
BELLIDO, NICOLAS G 1 88.9% +13.1%
WEINERTH, GIDEON R 1 57.1% +15.2%
CHU, KING M 1 75.4% +13.1%
PATTERSON, MICHAEL CHRISTOPHER 1 53.8% +63.2%
NGUYEN, SANG H 1 88.6% +11.8%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
19053244 ELECTROSTATIC CHUCK WITH REDUCED CHARGE INJECTION INTO DIELECTRIC LAYER BELLIDO, NICOLAS G 30d overdue
18732498 OPTICAL PARTICLE COUNTER AND METHODS NGUYEN, SANG H 28d

Interview Candidates (15)

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
18231926 METHODS AND MATERIALS FOR POLISHING OF MATERIALS AHMED, SHAMIM 44d overdue
19053244 ELECTROSTATIC CHUCK WITH REDUCED CHARGE INJECTION INTO DIELECTRIC LAYER BELLIDO, NICOLAS G 30d overdue
17980985 MEMBRANE FOR REMOVING ANIONIC MATERIALS MENON, KRISHNAN S 4d overdue
17961470 MODULAR TRAY FOR SOLID CHEMICAL VAPORIZING CHAMBER MOORE, KARLA A 2d overdue
18820797 TITANIUM OXIDE-BASED CHEMICAL-MECHANICAL POLISHING COMPOSITION FOR HEAVILY-DOPED BORON SILICON FILMS AHMED, SHAMIM 1d overdue
18740426 BAG FITMENT HAVING INTERNAL SPIKE PORT PATTERSON, MICHAEL CHRISTOPHER 5d
17981571 FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING GONZALEZ, MADELINE 15d
17961457 COMPRESSIBLE TRAY FOR SOLID CHEMICAL VAPORIZING CHAMBER MOORE, KARLA A 20d

Top Art Units

Art UnitApps
1773 5
3736 4
1713 4
1777 4
3753 3
2877 2
1716 2
2838 1
3735 1
3754 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19053244 ELECTROSTATIC CHUCK WITH REDUCED CHARGE INJECTION INTO DIELECTRIC LAYER BELLIDO, NICOLAS G 2838 §103 Non-Final OA 30d overdue Pending Feb 13, 2025
19046399 RETICLE CONSTRAINT FOR A RETICLE CONTAINER WEINERTH, GIDEON R 3736 §112 Non-Final OA 35d Pending Feb 05, 2025
18900607 LARGE FORMAT RETICLE CONTAINER CHU, KING M 3735 §103 Non-Final OA 28d Pending Sep 27, 2024
18820797 TITANIUM OXIDE-BASED CHEMICAL-MECHANICAL POLISHING COMPOSITION FOR HEAVILY-DOPED BORON SILICON FILMS AHMED, SHAMIM 1713 §103 Non-Final OA 1d overdue Pending Aug 30, 2024
18778862 MODULE RETAINER BUI, LUAN KIM 3736 §102 Non-Final OA 62d Pending Jul 19, 2024
18740426 BAG FITMENT HAVING INTERNAL SPIKE PORT PATTERSON, MICHAEL CHRISTOPHER 3754 §103 Non-Final OA 5d Pending Jun 11, 2024
18732498 OPTICAL PARTICLE COUNTER AND METHODS NGUYEN, SANG H 2877 §103 Final Rejection 28d Pending Jun 03, 2024
18732519 OPTICAL PARTICLE COUNTER AND METHODS HANSEN, JONATHAN M 2877 §103 Non-Final OA 52d overdue Pending Jun 03, 2024
18708892 PRESSURE SENSING UNITARY DEVICE BASTIANELLI, JOHN 3753 §103 Final Rejection 126d overdue Pending May 09, 2024
18708576 PRESSURE SENSING DEVICE BALLMAN, CHRISTOPHER D 3753 §103 Final Rejection 88d overdue Pending May 08, 2024
18620801 ADDITIVE MANUFACTURED ARTICLES HAVING COATED SURFACES AND RELATED METHODS DUMBRIS, SETH M 1784 §103 Non-Final OA 61d Pending Mar 28, 2024
18607272 COMPOSITION AND METHOD FOR SELECTIVELY ETCHING SILICON NITRIDE ALANKO, ANITA KAREN 1713 §103 Non-Final OA 36d Pending Mar 15, 2024
18603048 WIDE INSERTION ANGLE PROCESS CARRIER BUI, LUAN KIM 3736 §103 Final Rejection 76d Pending Mar 12, 2024
18440494 FLUORINATED FILTER MEMBRANE, FILTERS, AND METHODS DRODGE, JOSEPH W 1773 §112 Non-Final OA 21d Pending Feb 13, 2024
18436679 PROCESS FOR PREPARING TRIALKYLAMMONIUM DIHYDROGEN PHOSPHATES SAWYER, JENNIFER C 1691 §103 Non-Final OA 71d overdue Pending Feb 08, 2024
18412997 CYCLOSILAZANE PRECURSORS AND RELATED METHODS AULAKH, CHARANJIT 1621 §102 Non-Final OA 5d Pending Jan 15, 2024
18515101 BAG AND BAG FITMENT INCLUDING RIGID FLUOROPOLYMER SPIKE PORT KALIHER, HANS CHRISTIAN 3781 §103 Non-Final OA 9d overdue Pending Nov 20, 2023
18387228 METHODS FOR SELECTIVE DEPOSITION OF PRECURSOR MATERIALS AND RELATED DEVICES INOUSSA, MOULOUCOULAY 2818 §103 Non-Final OA 12d Pending Nov 06, 2023
18385340 POSITIVELY CHARGED ABRASIVE WITH NEGATIVELY CHARGED IONIC OXIDIZER FOR POLISHING APPLICATION LU, JIONG-PING 1713 §103 Final Rejection 34d Pending Oct 30, 2023
18383379 SILICON CARBIDE DIRECT SILICON SURFACE POLISH EWALD, MARIA VERONICA 1783 §103 Non-Final OA Pending Oct 24, 2023
18383284 HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS CECIL, TERRY K 1779 §103 Non-Final OA 21d Pending Oct 24, 2023
18383364 TITANIUM DIOXIDE CHEMICAL-MECHANICAL POLISHING COMPOSITION FOR POLISHING NICKEL SUBSTRATES PARVINI, PEGAH 1731 §103 Non-Final OA 49d Pending Oct 24, 2023
18370337 SUBSTRATE CONTAINER SYSTEMS AND METHODS OF PURGING A SUBSTRATE CONTAINER AFFUL, CHRISTOPHER M 3753 §103 Non-Final OA 73d overdue Pending Sep 19, 2023
18233180 RETICLE CONTAINER HAVING PLATING WITH REDUCED EDGE BUILD SPICER, JENINE MARIE 3736 §103 Non-Final OA 13d Pending Aug 11, 2023
18231926 METHODS AND MATERIALS FOR POLISHING OF MATERIALS AHMED, SHAMIM 1713 §103 Non-Final OA 44d overdue Pending Aug 09, 2023
18215757 MODULES FOR DELIVERY SYSTEMS AND RELATED METHODS BERMAN, JASON 1794 §103 Final Rejection 40d Pending Jun 28, 2023
18214241 VIBRATION FILL PROCESS FOR SOLID CHEMISTRIES WITTENSCHLAEGER, THOMAS M 3731 §103 Final Rejection 12d Pending Jun 26, 2023
18211158 PURGING GAS AMPLIFIER FAULKNER, RYAN L 3762 §103 Final Rejection 28d Pending Jun 16, 2023
18204210 COMPOSITIONS AND RELATED METHODS OF ALKYLTINTRIHALIDES HOU, FRANK S 1692 §103 Final Rejection 5d Pending May 31, 2023
18126291 DEVICES FOR PURIFYING A LIQUID, AND RELATED SYSTEMS AND METHODS MILLER-CRUZ, EKANDRA S. 1773 §103 Non-Final OA 14d Pending Mar 24, 2023
18117175 MICROELECTRONIC DEVICE CLEANING COMPOSITION DELCOTTO, GREGORY R 1761 §103 Non-Final OA 27d Pending Mar 03, 2023
18103337 MEMBRANES AND METHOD FOR REMOVING TRACE METALS HUANG, RYAN 1777 §112 Non-Final OA 9d Pending Jan 30, 2023
18099684 GLASS HANDLING DEVICES AND RELATED METHODS DAIGLER, CHRISTOPHER PAUL 1741 §103 Non-Final OA 27d Pending Jan 20, 2023
18097657 WOUND-PLEATED FILTERS AND RELATED METHODS MENON, KRISHNAN S 1777 Other Non-Final OA 47d Pending Jan 17, 2023
18079745 METHOD AND SYSTEM FOR FILTER WITH IMPROVED FLUSHING FITZSIMMONS, ALLISON GIONTA 1773 §102 Final Rejection 62d Pending Dec 12, 2022
18077813 LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF GONZALEZ, MADELINE 1773 §103 Non-Final OA 30d Pending Dec 08, 2022
18077058 LIQUID FILTER UNIT WITH LATERALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF ALI, WAQAAS A 1777 §103 Non-Final OA 14d Pending Dec 07, 2022
17981571 FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING GONZALEZ, MADELINE 1773 §103 Non-Final OA 15d Pending Nov 07, 2022
17980985 MEMBRANE FOR REMOVING ANIONIC MATERIALS MENON, KRISHNAN S 1777 §103 Non-Final OA 4d overdue Pending Nov 04, 2022
17976005 OVERMOLDED CONNECTORS AND METHODS OF MAKING THE SAME DRAGICEVICH, ZACHARY T 3679 §103 Final Rejection 12d Pending Oct 28, 2022
17966604 DEPTH FILTERS AND RELATED METHODS HE, QIANPING 1776 §103 Non-Final OA 2d overdue Pending Oct 14, 2022
17961457 COMPRESSIBLE TRAY FOR SOLID CHEMICAL VAPORIZING CHAMBER MOORE, KARLA A 1716 §112 Non-Final OA 20d Pending Oct 06, 2022
17961470 MODULAR TRAY FOR SOLID CHEMICAL VAPORIZING CHAMBER MOORE, KARLA A 1716 §103 Final Rejection 2d overdue Pending Oct 06, 2022
17894905 APPARATUS AND METHODS FOR CLEAN TRANSFER OF CENTRIFUGED MATERIALS LIU, SHUYI S 1774 §103 Final Rejection 31d overdue Pending Aug 24, 2022
17375855 KIT FOR INSTALLING IMPELLER INTO PROCESS VESSEL NGUYEN, HENRY H 1758 §103 Non-Final OA 22d Pending Jul 14, 2021

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