Trademark attorney

Derek V. Forinash

Derek V. Forinash of Porter Hedges LLP (United States) is listed as the attorney or agent of record on 17 trademark filings, as reported by the trademark offices.

Browse filings Get this data via the API

Data current as of August 12, 2026

Filings of record: 17
Still active: 2
Registration rate: 24%
Latest filingFirst in 2013: 2024

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

USPTO17100%

By classA mark can cover several classes

Class 42Computer and Scientific Services635%
Class 44Medical, Beauty, and Agricultural424%
Class 40Treatment of Materials318%
Class 25Clothing212%
Class 36Insurance and Financial212%
Class 9Computers and Scientific Devices16%
Class 35Advertising and Business16%
Class 39Transportation and Storage16%

Activity

Filings per year

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

Peak year · 4 filed: 2014
2020 to 2024 · filed: 5
First filing: 2013

Clients

Companies on these filings

Owners on the latest 17 filings of record that Signa links to a company record.

Par Hawaii Refining, LLC
United States
1 recent filing

10 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

Mark	Status	Office	Owner	Classes	Filed
REIDY	abandoned	USPTO	Sanmore Investments, LLC	42	2024-06-06
RESTRICT FLOW	abandoned	USPTO	Restrict Flow L.L.C.	40	2023-12-22
RF	abandoned	USPTO	Restrict Flow L.L.C.	40	2023-12-22
PECOS VALLEY PRODUCTION	registered	USPTO	Pecos Valley Production, Inc.	44	2022-01-28
SANDERS	abandoned	USPTO	SRS Ventures, LLC	25	2021-03-24
PLANNER	abandoned	USPTO	W.D. Von Gonten Laboratories LLC	42	2018-01-04
COMPLETION PLANNER	abandoned	USPTO	W.D. Von Gonten Laboratories LLC	42	2018-01-04
LANDING PLANNER	abandoned	USPTO	W.D. Von Gonten Laboratories LLC	42	2018-01-04

API

Get this data via the API

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 key View docs

GET /v1/attorneys/{id}

ID=att_019d288a-0733-760d-adc8-da51c721c807
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d288a-0733-760d-adc8-da51c721c807",
  "object": "attorney",
  "name": "Derek V. Forinash",
  "firm_name": "Porter Hedges LLP",
  "country_code": "US",
  "trademark_count": 17
}