The patent EP3547845 was granted to Hills PET Nutrition on Mar 1, 2023. The application was originally filed on Dec 27, 2016 under application number EP16826608A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2016296486 |
| INTERNATIONAL-SEARCH-REPORT | WO2011011472 |
| OPPOSITION | US2001051206 |
| OPPOSITION | US6071544 |
| OPPOSITION | WO2009086275 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | - Anon., "ADULT HEALTH-RSS TM", (20161024), pages 1 - 5, URL: http://www.raynecanada.ca/s/FE_AdultRSS_Oct2416.pdf, (20170207), XP055343111 [X] 1,11,12,14,16 * the whole document * [I] 2-29 |
| INTERNATIONAL-SEARCH-REPORT | - Anon., "NF KidNey Function brand Canine and Feline Formulas", (20141219), URL: https://www.purinaproplanvets.com/media/1192/canine_nf.pdf, (20170207), XP055343105 [I] 1-29 * the whole document * |
| INTERNATIONAL-SEARCH-REPORT | - KERR ET AL, "Companion animals symposium : dietary management of feline lower urinary tract symptoms", JOURNAL OF ANIMAL SCIENCE, AMERICAN SOCIETY OF ANIMAL SCIENCE, US, (20130101), vol. 91, no. 6, doi:10.2527/JAS.2012-6035, ISSN 0021-8812, pages 2965 - 2975, XP009177706 [I] 1-29 * page 2970, column 1, paragraph 3 - column 2, paragraph 1 * |
| OPPOSITION | - Anonymous, "Do Cats Drink Water? Cat Hydration & Dehydration Prevention", Purina, (20231221), pages 1 - 4, XP093181677 |
| OPPOSITION | - Anonymous, "Royal Canin Urinary S/O Cat 1.5kg", (20160723), pages 1 - 8, Myvet, URL: https://web.archive.org/web/20160723101636/https:/www.myvet.co.nz/urinary-s-o-cat-1-5kg.html, (20240405), XP093148363 |
| OPPOSITION | - Anonymous, "Veterinary diet product book ", Royal Canin, (20160101), pages 1 - 6, XP093148366 |
| OPPOSITION | - Zoran Debra L, "Feline lower urinary tract disease (Proceedings)", dvm360, (20111001), dvm360, URL: https://www.dvm360.com/view/feline-lower-urinary-tract-disease-proceedings, XP093305861 |
| OPPOSITION | - Rishniw Mark, Bicalho Rodrigo, "Factors affecting urine specific gravity in apparently healthy cats presenting to first opinion practice for routine evaluation", Journal of feline medicine and surgery, GB , (20150401), vol. 17, no. 4, doi:10.1177/1098612X14541263, ISSN 1098-612X, pages 329 - 337, XP093148367 |
| OPPOSITION | - Bartges Joseph W, "Feline Calcium Oxalate Urolithiasis : Risk factors and rational treatment approaches", Journal of feline medicine and surgery, WB SAUNDERS, LONDON, GB, GB , (20160901), vol. 18, no. 9, doi:10.1177/1098612X16660442, ISSN 1098-612X, pages 712 - 722, XP093305856 |
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Published international application - A1
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