Prosecution Insights
Last updated: August 16, 2026

Entegris Inc.

66 pending office actions • 36 art units • 53 examiners • 0 of 66 (0%) have an AI response strategy ready • 63 patents granted in the last 365 days

Portfolio Summary

66
Total Pending OAs
36
Non-Final OAs
25
Final Rejections
5
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 17 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
1
Due this week
7
Due this month
3
Due in next 60 days
0
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. 17 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)Due ≤ 7 days (1)Due ≤ 30 days (7)Due ≤ 60 days (3)

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.

33
Hard (50%)
28
Medium (42%)
4
Easy (6%)
1
Unknown (2%)

Rejection Statute Mix

BucketCases
§101 only1 (2%)
§103 only25 (38%)
§102 only1 (2%)
§112 only3 (5%)
Double-patenting only1 (2%)
Double-patenting + other2 (3%)
Multi-statute (no §101)32 (48%)
No statute on record1 (2%)

Industry Mix

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

46
Life Sciences
70% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
3
Semiconductors
5% of docket
12
Mechanical / Eng
18% of docket
5
Business / Other
8% 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.

660 h
Manual time on pending OAs
132 h
Time saved (low, 20%)
231 h
Time saved (mid, 35%)
5.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MENON, KRISHNAN S 4 59.8% +11.5%
AHMED, SHAMIM 3 78.5% +22.0%
GONZALEZ, MADELINE 3 72.3% +15.9%
SPICER, JENINE MARIE 3 50.9% +18.6%
MCCULLOUGH, ERIC J. 2 32.1% +44.1%
ALANKO, ANITA KAREN 2 69.7% -17.3%
BAKSHI, PANCHAM 2 77.0% +30.2%
FAULKNER, RYAN L 2 67.5% +17.0%
HICKS, ROBERT J 1 72.2% +3.6%
PATHAK, PRAACHI M. 1 79.6% +22.9%

Hard Cases (33)

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
18732519 OPTICAL PARTICLE COUNTER AND METHODS HANSEN, JONATHAN M 52d overdue
17980985 MEMBRANE FOR REMOVING ANIONIC MATERIALS MENON, KRISHNAN S 4d overdue
18077058 LIQUID FILTER UNIT WITH LATERALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF ALI, WAQAAS A 14d
17981571 FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING GONZALEZ, MADELINE 15d
17375855 KIT FOR INSTALLING IMPELLER INTO PROCESS VESSEL NGUYEN, HENRY H 22d
18077813 LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF GONZALEZ, MADELINE 30d
18607272 COMPOSITION AND METHOD FOR SELECTIVELY ETCHING SILICON NITRIDE ALANKO, ANITA KAREN 36d
19051022 RETICLE CONTAINER HAVING ROTATING CONNECTOR WITH SPRING FORCE LATCHING PATHAK, PRAACHI M.

Interview Candidates (20)

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
17980985 MEMBRANE FOR REMOVING ANIONIC MATERIALS MENON, KRISHNAN S 4d overdue
18820797 TITANIUM OXIDE-BASED CHEMICAL-MECHANICAL POLISHING COMPOSITION FOR HEAVILY-DOPED BORON SILICON FILMS AHMED, SHAMIM 1d overdue
17981571 FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING GONZALEZ, MADELINE 15d
18211158 PURGING GAS AMPLIFIER FAULKNER, RYAN L 28d
18077813 LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF GONZALEZ, MADELINE 30d
18097657 WOUND-PLEATED FILTERS AND RELATED METHODS MENON, KRISHNAN S 47d
19051022 RETICLE CONTAINER HAVING ROTATING CONNECTOR WITH SPRING FORCE LATCHING PATHAK, PRAACHI M.

Top Art Units

Art UnitApps
1713 6
1773 6
1777 5
3736 3
1692 3
3731 2
1794 2
1718 2
1738 2
1623 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19231294 AERODYNAMIC BLAST FREEZE CONTAINERS HICKS, ROBERT J 3733 §112 Non-Final OA Pending Jun 06, 2025
19051022 RETICLE CONTAINER HAVING ROTATING CONNECTOR WITH SPRING FORCE LATCHING PATHAK, PRAACHI M. 3731 §102§112 Non-Final OA Pending Feb 11, 2025
19044236 AREA SELECTIVE DEPOSITION OF ALUMINUM BASED FILMS USING ALKYL ALUMINUM AMIDINATE PRECURSORS WEDDLE, ALEXANDER MARION 1712 §101 Non-Final OA Pending Feb 03, 2025
18980228 ARTICLES COATED WITH CRACK-RESISTANT FLUORO-ANNEALED FILMS AND METHODS OF MAKING MCDONALD, RODNEY GLENN 1794 §103 Non-Final OA Pending Dec 13, 2024
18965592 HIGH CLAMP FORCE ELECTROSTATIC CHUCK FOR NON-FLAT SUBSTRATES CLARK, CHRISTOPHER JAY §102§103 Non-Final OA Pending Dec 02, 2024
18937784 PURIFYING PRECURSOR COMPOUNDS AND RELATED SYSTEMS AND METHODS PILCHER, JONATHAN L 1772 §103 Non-Final OA Pending Nov 05, 2024
18892069 CONTACTS FOR REDUCING WEAR IN A RETICLE CONTAINER PERSAUD, DEORAM 2882 §102§103 Non-Final OA Pending Sep 20, 2024
18820797 TITANIUM OXIDE-BASED CHEMICAL-MECHANICAL POLISHING COMPOSITION FOR HEAVILY-DOPED BORON SILICON FILMS AHMED, SHAMIM 1713 §103 Final Rejection 1d overdue Pending Aug 30, 2024
18797439 CARBON-FREE LAMINATED HAFNIUM OXIDE/ZIRCONIUM OXIDE FILMS FOR FERROELECTRIC MEMORIES RODRIGUEZ, MICHAEL P 1783 §102§103 Non-Final OA Pending Aug 07, 2024
18780569 SURFACE MODIFIED SUBSTRATES AND RELATED METHODS CHRISTY, KATHERINE A 1787 §103 Non-Final OA Pending Jul 23, 2024
18767649 DIFFUSERS IN VAPORIZERS AND RELATED METHODS BUI, DUNG H §103 Non-Final OA Pending Jul 09, 2024
18761281 MEMBRANES FOR REMOVING METALLIC SPECIES FROM AMINES MCCULLOUGH, ERIC J. 1773 §102§103§112 Non-Final OA Pending Jul 01, 2024
18755011 HIGH PURITY MOLYBDENUM-CONTAINING PRECURSORS AND RELATED SYSTEMS AND METHODS BENNETT, CHARLEE 1718 §103 Non-Final OA Pending Jun 26, 2024
18751650 COATINGS THAT CONTAIN FLUORINATED YTTRIUM OXIDE AND A METAL OXIDE, AND METHODS OF PREPARING AND USING THE COATINGS YANG, ZHEREN J 1781 §102§103§112 Final Rejection Pending Jun 24, 2024
18737743 SELECTIVE RUTHENIUM DEPOSITION AND RELATED SYSTEMS AND METHODS OH, JAEHWAN §102§103 Non-Final OA Pending Jun 07, 2024
18732519 OPTICAL PARTICLE COUNTER AND METHODS HANSEN, JONATHAN M 2877 §102§103 Final Rejection 52d overdue Pending Jun 03, 2024
18693083 DRY-PROCESS MEMBRANE FOR FILTRATION ROYCE, LIAM A §103§112Other Non-Final OA Pending Mar 18, 2024
18607286 POROUS SINTERED METAL BODIES AND METHODS OF PREPARING POROUS SINTERED METAL BODIES HEVEY, JOHN A 1735 §103§112 Non-Final OA Pending Mar 15, 2024
18607272 COMPOSITION AND METHOD FOR SELECTIVELY ETCHING SILICON NITRIDE ALANKO, ANITA KAREN 1713 §102§103 Non-Final OA 36d Pending Mar 15, 2024
18436679 PROCESS FOR PREPARING TRIALKYLAMMONIUM DIHYDROGEN PHOSPHATES SAWYER, JENNIFER C 1691 §103 Non-Final OA 71d overdue Pending Feb 08, 2024
18430567 WET ETCH FORMULATIONS AND RELATED METHODS PHAM, THOMAS T 1713 §103 Final Rejection Pending Feb 01, 2024
18420661 SPACERS FOR FILTRATION APPLICATIONS GONZALEZ, MADELINE 1773 §103 Non-Final OA Pending Jan 23, 2024
18412997 CYCLOSILAZANE PRECURSORS AND RELATED METHODS AULAKH, CHARANJIT 1621 §112 Final Rejection 5d Pending Jan 15, 2024
18533684 MOLYBDENUM PRECURSORS AND RELATED METHODS CHU, YONG LIANG 4100 §112 Non-Final OA Pending Dec 08, 2023
18511579 FASTENING ASSEMBLY WITH DETACHABLE LOCK PIN AND ENGAGING MEMBER SPICER, JENINE MARIE 3736 §103 Final Rejection Pending Nov 16, 2023
18379290 POROUS SINTERED BODIES AND METHODS OF PREPARING POROUS SINTERED BODIES JANSSEN, REBECCA 1733 §102§103 Final Rejection Pending Oct 12, 2023
18378618 COMPOUNDS AND METHODS FOR PREPARATION OF ALUMINATES KUMAR, SRILAKSHMI K 1738 §103§112 Final Rejection Pending Oct 10, 2023
18376476 TUNGSTEN PRECURSORS AND RELATED METHODS FIGUEROA, JOHN J 1763 §103§112 Non-Final OA Pending Oct 04, 2023
18376471 TUNGSTEN PRECURSORS AND RELATED METHODS MOUDOU, EILEEN QI-YUN 1738 §103§112 Non-Final OA Pending Oct 04, 2023
18240254 COMPOSITIONS FOR EXTREME ULTRAVIOLET LITHOGRAPHY AND RELATED METHODS BONAPARTE, AMY C 1692 DP Non-Final OA Pending Aug 30, 2023
18240151 BIS (ARENE) METAL COMPLEXES AND RELATED METHODS BAKSHI, PANCHAM 1623 §112DP Non-Final OA Pending Aug 30, 2023
18239661 INDENYL PRECURSORS BAKSHI, PANCHAM 1623 §102§103 Non-Final OA Pending Aug 29, 2023
18231926 METHODS AND MATERIALS FOR POLISHING OF MATERIALS AHMED, SHAMIM 1713 §103 Non-Final OA 44d overdue Pending Aug 09, 2023
18229063 PURGE FLOW DISTRIBUTION SYSTEM FOR A SUBSTRATE CONTAINER AND METHOD FOR PERFORMING THE SAME FAULKNER, RYAN L 3762 §102§103 Final Rejection Pending Aug 01, 2023
18219447 PROCESS FOR PREPARING PHOSPHONATE ESTERS CHAO, ALLEN 1622 §102§103 Final Rejection Pending Jul 07, 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 Non-Final OA 12d Pending Jun 26, 2023
18211968 INSERTS FOR SPACING IN RETICLE CONTAINERS IMPINK, MOLLIE LLEWELLYN 3799 §102§103 Non-Final OA Pending Jun 20, 2023
18211158 PURGING GAS AMPLIFIER FAULKNER, RYAN L 3762 §103 Non-Final OA 28d Pending Jun 16, 2023
18205265 DEVICES FOR CLEANING SUBSTRATES AND RELATED METHODS WALTERS, RYAN J 3799 §102§103 Non-Final OA Pending Jun 02, 2023
18204099 FILTRATION IN A VAPOR DELIVERY SYSTEM LAWRENCE JR, FRANK M 1776 §102§103 Final Rejection Pending May 31, 2023
18202007 ETCHANT COMPOSITION AND METHOD AHMED, SHAMIM 1713 §103 Non-Final OA Pending May 25, 2023
18199802 POROUS MEMBRANE COMPOSITES WITH CROSSLINKED FLUORINATED IONOMER MENON, KRISHNAN S 1777 §103§112 Non-Final OA Pending May 19, 2023
18199204 HYDROPHILIC MEMBRANES FOR FILTRATION MENON, KRISHNAN S 1777 §102§103§112 Final Rejection Pending May 18, 2023
18126291 DEVICES FOR PURIFYING A LIQUID, AND RELATED SYSTEMS AND METHODS MILLER-CRUZ, EKANDRA S. 1773 §103 Final Rejection 14d Pending Mar 24, 2023
18121559 PROCESS FOR PREPARING DIALKYL ALUMINUM ALKOXIDES PAGANO, ALEXANDER R 1692 §103 Final Rejection Pending Mar 14, 2023
18118300 DEVICES AND METHOD FOR DELIVERING MOLYBDENUM VAPOR AUSTIN, AARON 1782 §103 Non-Final OA Pending Mar 07, 2023
18020830 CASSETTE HOLD DOWN SPICER, JENINE MARIE 3736 §102§103 Final Rejection Pending Feb 10, 2023
18107855 ORGANOMETALLIC PRECURSORS AND RELATED METHODS KELLY-O'NEILL, YOLANDA LYNNETTE 1692 §103 Final Rejection Pending Feb 09, 2023
18102641 PROCESS FOR SELECTIVELY DEPOSITING HIGHLY-CONDUCTIVE METAL FILMS TRAN, TONY 2893 §103 Non-Final OA Pending Jan 27, 2023
18097657 WOUND-PLEATED FILTERS AND RELATED METHODS MENON, KRISHNAN S 1777 Other Final Rejection 47d Pending Jan 17, 2023
18077813 LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF GONZALEZ, MADELINE 1773 §102§103§112 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 §102§103 Final Rejection 14d Pending Dec 07, 2022
17981571 FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING GONZALEZ, MADELINE 1773 §102§103 Final Rejection 15d Pending Nov 07, 2022
17980985 MEMBRANE FOR REMOVING ANIONIC MATERIALS MENON, KRISHNAN S 1777 §102§103§112 Final Rejection 4d overdue Pending Nov 04, 2022
17784228 CHEMICAL-MECHANICAL POLISHING COMPOSITION AND CHEMICAL-MECHANICAL POLISHING METHOD USING THE SAME ALANKO, ANITA KAREN 1713 §103DPOther Non-Final OA Pending Nov 02, 2022
17972242 HIGH VAPOR PRESSURE DELIVERY SYSTEM CHEN, KEATH T 1716 §103§112 Final Rejection Pending Oct 24, 2022
17945594 COMPOSITE ADSORBENT-CONTAINING BODIES AND RELATED METHODS TURNER, SONJI 1776 §103§112 Non-Final OA Pending Sep 15, 2022
17894905 APPARATUS AND METHODS FOR CLEAN TRANSFER OF CENTRIFUGED MATERIALS LIU, SHUYI S 1774 §103 Non-Final OA 31d overdue Pending Aug 24, 2022
17893658 RIGID FRAME BAGS LE, AUSTIN Q 1796 §102 Final Rejection Pending Aug 23, 2022
17708999 LOW TEMPERATURE DEPOSITION PROCESS TADAYYON ESLAMI, TABASSOM 1718 §103 Final Rejection Pending Mar 30, 2022
17707756 LIQUID PURIFICATION MEMBRANE INCLUDING CARBONACEOUS MATERIALS AND METHODS OF FORMING THEM MCCULLOUGH, ERIC J. 1773 §103 Non-Final OA Pending Mar 29, 2022
17698104 BAG HOLDER FOR PLATE FREEZING BANKS, KEONA LAUREN 3763 §103 Non-Final OA Pending Mar 18, 2022
17375855 KIT FOR INSTALLING IMPELLER INTO PROCESS VESSEL NGUYEN, HENRY H 1758 §102§103 Non-Final OA 22d Pending Jul 14, 2021
17244571 RETICLE POD SEALING SPICER, JENINE MARIE 3736 §103 Final Rejection Pending Apr 29, 2021
17232489 ELECTROSTATIC DISCHARGE MITIGATION DEVICE CHOI, WILLIAM SOON 3679 §102§103 Non-Final OA Pending Apr 16, 2021

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