Trademark attorney

Tomoko ISHIHARA

Rankin, Hill & Clark LLPUnited States

Tomoko ISHIHARA of Rankin, Hill & Clark LLP (United States) is listed as the attorney or agent of record on 163 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
163
Still active
153
Registration rate
93%
Latest filingFirst in 1989
2026
Coverage

Where these filings were made

Each mark counts once here: an international registration is grouped with its country designations, not counted once per country.

By office

By classA mark can cover several classes

+28 more

Activity

Filings per year

New filings of record each year, counting each mark once.

Peak year · 26 filed
2024
2022 to 2026 · filed
63
First filing
1989

Filings by year: 1989: 1, 2003: 1, 2004: 1, 2005: 2, 2007: 3, 2008: 1, 2009: 9, 2010: 2, 2011: 2, 2012: 2, 2013: 2, 2014: 8, 2015: 7, 2016: 7, 2017: 8, 2018: 6, 2019: 13, 2020: 17, 2021: 8, 2022: 18, 2023: 13, 2024: 26, 2025: 5, 2026: 1.

Clients

Companies on these filings

Owners on the latest 48 filings of record that Signa links to a company record.

8 more owners in these filings are not linked to a company record.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
MELAVIOpending publicationUSPTOFuji Oil Co., Ltd.292026-03-22
APEXregisteredUSPTOFuji Oil Co., Ltd.292025-08-18
Kaihara DenimregisteredWIPOKaihara Corporation242025-07-29
WELL-BRAININGabandonedUSPTOFuji Oil Co., Ltd.5, 29, 302025-05-16
Moving pivotmixedWIPOWorld Wing Enterprise Co., Ltd.412025-02-19
MOMOTARO JEANSmixedWIPOJapan Blue Co., Ltd.252025-02-05
ZERO-TEX Keep Safe & Go GreenmixedWIPOCaitac Holdings Corp.18, 24, 252024-10-15
BG Brass GearmixedWIPOBrass Gear Co., Ltd.152024-10-10
API

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Every number on this page comes from the Signa API. Pull the same records into your own product with one request.

  • GET/v1/attorneys/{id}

    Attorney record, firm and filing stats

  • GET/v1/attorneys/{id}/analytics

    Filings by office, class and year

  • GET/v1/attorneys/{id}/trademarks

    Every trademark the attorney is of record on

Get API keyView docs
GET /v1/attorneys/{id}
ID=att_019d17c7-3980-7758-9c48-210320a22e47
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d17c7-3980-7758-9c48-210320a22e47",
  "object": "attorney",
  "name": "Tomoko ISHIHARA",
  "firm_name": "Rankin, Hill & Clark LLP",
  "country_code": "US",
  "trademark_count": 163
}