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Photronics, Inc. (PLAB)

Nasdaq: PLAB · Semiconductors & Related Devices · Brookfield, CT · filing with the SEC since 1995
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◀ Past 6.1● Present 5.7▶ Future 4.3
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Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

51 patents granted to the 2 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Photronics, Inc.’s names, not what it holds today.

Patents granted
51
51 utility, 1976 to Dec 31, 2025
Granted in 2025
2
Against 3 in 2024 and 1 in 2023
Applications published
29
3 of them in 2025
Names they are printed under
2
its own name
By yearGrantedApplications published
'08'09'10'11'12'14'15'16'18'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Semiconductors4
Optics3
Computer technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name2 counted
PHOTRONICS, INC. its own name
US, as the owner printed on each patent
51 granted
14 published
PHOTRONICS, INC. its own name
named as the applicant on its applications, in US
0 granted
15 published
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Apr 22, 202512,282,257Pellicle for flat panel display photomaskOpticsPHOTRONICS, INC.
Mar 11, 202512,249,528Pellicle removal toolSemiconductorsPHOTRONICS, INC.
Dec 10, 202412,164,225System, method, and program product for manufacturing a photomaskComputer technologyPHOTRONICS, INC.
Jun 18, 202412,013,642Pellicle for flat panel display photomaskOpticsPHOTRONICS, INC.
Apr 2, 202411,948,824Pellicle removal toolSemiconductorsPHOTRONICS, INC.
Jun 20, 202311,682,573Pellicle removal toolSemiconductorsPHOTRONICS, INC.
Dec 27, 202211,537,050Pellicle for flat panel display photomaskOpticsPHOTRONICS, INC.
Nov 23, 202111,183,410Pellicle removal toolSemiconductorsPHOTRONICS, INC.
Apr 3, 20189,933,611Microfluidic thermoptic energy processorOpticsPHOTRONICS, INC.
Apr 5, 20169,304,334Microfluidic thermoptic energy processorOpticsPHOTRONICS, INC.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Jun 19, 20252025/0199410PELLICLE FOR FLAT PANEL DISPLAY PHOTOMASKOpticsPHOTRONICS, INC.
Jun 12, 20252025/0191952PELLICLE REMOVAL TOOLSemiconductorsPHOTRONICS, INC.
Apr 24, 20252025/0130489SYSTEM, METHOD, AND PROGRAM PRODUCT FOR MANUFACTURING A PHOTOMASKComputer technologyPHOTRONICS, INC.
Aug 22, 20242024/0280908PELLICLE FOR FLAT PANEL DISPLAY PHOTOMASKOpticsPHOTRONICS, INC. · patent 12,282,257 granted from it
Jul 18, 20242024/0242996PELLICLE REMOVAL TOOLSemiconductorsPHOTRONICS, INC. · patent 12,249,528 granted from it
Sep 28, 20232023/0305385SYSTEM, METHOD AND PROGRAM PRODUCT FOR PHOTOMASK SURFACE TREATMENTOpticsPHOTRONICS, INC.
Sep 28, 20232023/0305384LOW INTENSITY PHOTOMASK AND SYSTEM, METHOD AND PROGRAM PRODUCT FOR MAKING LOW INTENSITY PHOTOMASK FOR USE IN FLAT PANEL DISPLAY LITHOGRAPHYOpticsPHOTRONICS, INC.
Aug 31, 20232023/0274965PELLICLE REMOVAL TOOLSemiconductorsPHOTRONICS, INC. · patent 11,948,824 granted from it
Aug 17, 20232023/0259016SYSTEM, METHOD AND PROGRAM PRODUCT FOR IMPROVING ACCURACY OF PHOTOMASK BASED COMPENSATION IN FLAT PANEL DISPLAY LITHOGRAPHYOpticsPHOTRONICS, INC.
May 25, 20232023/0161259PELLICLE FOR FLAT PANEL DISPLAY PHOTOMASKOpticsPHOTRONICS, INC. · patent 12,013,642 granted from it
What it applied for, 2024 to 2025: Semiconductors 2 · Optics 2 · Computer technology 1.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton PLAB · research, not advice