| Serial Number | 79443497 |
| Word Mark | DIAGUM |
| Filing Date | Tuesday, December 16, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Tuesday, July 14, 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, August 4, 2026 |
| Goods and Services | Thickening agents for cooking foodstuffs mainly consisting of fermented polysaccharide derived from microorganisms; Flour premixes being prepared flour for baking; Starch for food; Soya flour; Flour; Gluten for food, namely, gluten additives for culinary purposes, gluten prepared as foodstuffs; Seasonings |
| Goods and Services | Meat tenderizers for industrial purposes; Produce stabilizers used for preserving food, except preparations for stiffening whipped cream; Chemical thickeners for use in the food manufacturing industry; Emulsifiers for use in the manufacture of food; Plasticizers; Polymers for use in the manufacture of food in the nature of fermented polysaccharide derived from microorganisms; Food preservative compositions; Chelating chemical agents; Chemical products for industrial purposes in the form of conditioning agents for use in the manufacture of food, except those for medical purposes; Chemicals for use as an additive in the manufacture of food; Chemicals used in the manufacture of food; Flour and starch for industrial purposes; Chemicals containing curdlan as main ingredient for use in the manufacture of food; Chemicals containing carrageenan as main ingredient for use in the manufacture of food |
| Description of Mark | The mark consists of the stylized wording "DIAGUM" with a stylized diamond appearing inside the letter '"A". |
| 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 | Thursday, February 12, 2026 |
| Primary Code | 001 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 030 - Coffee, tea, cocoa, sugar, rice, tapioca, sago, artificial coffee; flour and preparations made from cereals, bread, pastry and confectionery, ices; honey, treacle; yeast, baking powder; salt, mustard; vinegar, sauces (condiments); spices; ice. |
| US Class Codes | 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, February 12, 2026 |
| Primary Code | 030 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Mitsubishi Corporation Life Sciences Limited |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | JP |
| Event Date | Event Description |
| Thursday, February 12, 2026 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Tuesday, February 17, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, February 17, 2026 | APPLICATION FILING RECEIPT MAILED |
| Saturday, April 18, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, April 22, 2026 | NON-FINAL ACTION WRITTEN |
| Thursday, April 23, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Wednesday, June 3, 2026 | REFUSAL PROCESSED BY MPU |
| Wednesday, June 3, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Thursday, June 18, 2026 | REFUSAL PROCESSED BY IB |
| Tuesday, June 30, 2026 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Tuesday, June 30, 2026 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Tuesday, June 30, 2026 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, June 30, 2026 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Tuesday, June 30, 2026 | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS |
| Tuesday, June 30, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, June 30, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, June 30, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, July 2, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |