"some rights reserved" meaning in English

{
  "etymology_text": "Modelled on all rights reserved.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase",
        "head": "some rights reserved"
      },
      "expansion": "some rights reserved",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Copyright",
          "orig": "en:Copyright",
          "parents": [
            "Intellectual property",
            "Law",
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1997, “Perri 6”, Demos, Escaping Poverty: From Safety Nets to Networks of Opportunity, page footer,\nThis page is covered by the Demos open access licence. Some rights reserved."
        }
      ],
      "glosses": [
        "The owner, or other copyright holder, of a work simultaneously reserves a number of copyright-related rights and waives a number of other copyright-related rights."
      ],
      "id": "en-some_rights_reserved-en-phrase-GUNohbQq",
      "links": [
        [
          "owner",
          "owner"
        ],
        [
          "reserve",
          "reserve"
        ],
        [
          "right",
          "right"
        ],
        [
          "waive",
          "waive"
        ]
      ]
    }
  ],
  "word": "some rights reserved"
}

{
  "etymology_text": "Modelled on all rights reserved.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase",
        "head": "some rights reserved"
      },
      "expansion": "some rights reserved",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Copyright"
      ],
      "examples": [
        {
          "text": "1997, “Perri 6”, Demos, Escaping Poverty: From Safety Nets to Networks of Opportunity, page footer,\nThis page is covered by the Demos open access licence. Some rights reserved."
        }
      ],
      "glosses": [
        "The owner, or other copyright holder, of a work simultaneously reserves a number of copyright-related rights and waives a number of other copyright-related rights."
      ],
      "links": [
        [
          "owner",
          "owner"
        ],
        [
          "reserve",
          "reserve"
        ],
        [
          "right",
          "right"
        ],
        [
          "waive",
          "waive"
        ]
      ]
    }
  ],
  "word": "some rights reserved"
}