Trademark attorney

Ai-Tang Chang

HP Inc.United States

Ai-Tang Chang of HP Inc. (United States) is listed as the attorney or agent of record on 76 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
76
Still active
45
Registration rate
75%
Latest filingFirst in 1995
2021
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

+11 more

Activity

Filings per year

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

Peak year · 12 filed
2012
2017 to 2021 · filed
24
First filing
1995

Filings by year: 1995: 1, 1996: 1, 1997: 3, 2005: 1, 2006: 2, 2007: 1, 2008: 3, 2009: 2, 2010: 1, 2011: 3, 2012: 12, 2013: 1, 2014: 7, 2015: 5, 2016: 9, 2017: 4, 2018: 7, 2019: 1, 2020: 5, 2021: 7.

Clients

Companies on these filings

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

14 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
HP CLARITASabandonedUSPTOHP Hewlett Packard Group LLC92021-11-08
HP FORTISregisteredUSPTOHP Hewlett Packard Group LLC92021-07-29
HP PALETTEabandonedUSPTOHP Hewlett Packard Group LLC9, 422021-04-05
INSTANT INKregisteredUSPTOHP Hewlett Packard Group LLC22021-03-19
OASISregisteredUSPTOHewlett-Packard Development Company, L.P.9, 38, 41, 422021-03-04
[Design Mark]registeredUSPTOHP Hewlett Packard Group LLC9, 422021-02-26
HP WOLF SECURITYregisteredUSPTOHP Hewlett Packard Group LLC9, 422021-02-26
FLORENCEabandonedUSPTOHP Health Solutions Inc.5, 102020-12-21
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_019d1ac8-3dfd-74ae-9f3f-a96653337bb8
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1ac8-3dfd-74ae-9f3f-a96653337bb8",
  "object": "attorney",
  "name": "Ai-Tang Chang",
  "firm_name": "HP Inc.",
  "country_code": "US",
  "trademark_count": 76
}