| Serial Number | 99593965 |
| Word Mark | PXI |
| Filing Date | Wednesday, January 14, 2026 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Wednesday, May 20, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, June 9, 2026 |
| Goods and Services | Research and development in the field of assays for the detection and measurement of molecules, proteins, and peptides in biological samples and environmental samples; Providing biological and biochemical sample testing services for others for scientific research purposes through the performance of assays in the fields of scientific and clinical research; laboratory biomarker analysis services and related data analysis, namely, data analysis relating to the detection and measurement of biomarkers in biological and biochemical samples in the fields of scientific and clinical research |
| Goods and Services | Diagnostic reagents for medicinal and veterinary use; Biological medical and veterinary assays and reagents for medical and diagnostic testing purposes; biological kits comprising reagents for detection of biological analytes and for use in the fields of biological and diagnostic testing for medical and veterinary use |
| Goods and Services | Laboratory consumable, namely, plates having multiple wells that can be used in chemical or biological analysis for scientific, laboratory, or medical research use; laboratory consumable, namely, plates having multi-well arrays that can be used in chemical or biological analysis for scientific, laboratory, or medical research use |
| Indication of Colors claimed | The color(s) blue and gray is/are claimed as a feature of the mark. |
| Description of Mark | The mark consists of the stylized blue letters PXI where the letter X is comprised of a one thick, blue diagonal side which is crossed at the center of the X with a series of circles where the interior of the circle has small blue circle, surrounded by a gray circle, which is surrounded by an exterior blue circle. Emanating from the aforementioned center circles from one side there is a spear shape with a blue shaft pointing towards the bottom with a head having a rounded bottom and a pointed head, and on the other side of the series of interior circles at the middle of the letter X, there is an arrow pointing to the top also with a blue shaft, with a triangular head with a blue exterior triangle and gray interior triangle in three dimensions. |
| Goods and Services | Biological assays for research purposes; biological kits comprising reagents for the detection of biological analytes and for use in the fields of biological and diagnostic testing for industrial, scientific, and research use; Reagents for scientific and medical research use |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, January 14, 2026 |
| Primary Code | 001 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, January 14, 2026 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, January 14, 2026 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, January 14, 2026 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Meso Scale Diagnostics, LLC. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Rockville, MD 20850 US |
| Event Date | Event Description |
| Wednesday, January 14, 2026 | NEW APPLICATION ENTERED |
| Wednesday, January 14, 2026 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, May 5, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, May 5, 2026 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Tuesday, May 12, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, May 13, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Wednesday, May 13, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Wednesday, May 13, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Wednesday, May 13, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Wednesday, May 13, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |