PROLOCK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 6 (Metal Goods) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Aug 16, 2016 |
JOHN GUEST LIMITED
|
JOHN GUEST INTERNATIONAL LIMITED
WEST DRAYTON
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 87041382 | PROLOCK | May 18, 2016 | Pending | 006 Metal Goods 017 Rubber & Insulation 019 Building Materials | JOHN GUEST INTERNATIONAL LIMITED |
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FAQ: PROLOCK trademark portfolio
What trademarks does PROLOCK hold?
PROLOCK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 6 (Metal Goods), Class 17 (Rubber & Insulation), Class 19 (Building Materials). The most recent filings are registered to JOHN GUEST INTERNATIONAL LIMITED.
How many trademarks does PROLOCK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PROLOCK. The brand has been actively filing since May 2016. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PROLOCK file most often?
PROLOCK's most active class is NICE Class 6 (Metal Goods), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PROLOCK trademark?
The most recent filings under the PROLOCK mark are registered to JOHN GUEST INTERNATIONAL LIMITED. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PROLOCK expanding into new categories?
The current WikiTrademarks Expansion Score for PROLOCK is 4 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new PROLOCK trademark filings?
Click the Watch Brand button at the top of this page to add PROLOCK to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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