IMMUN-BLOT holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 17, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 73552804 | IMMUN-BLOT | Aug 09, 1985 | Abandoned | 001 Chemicals | BIO-RAD LABORATORIES, INC. |
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FAQ: IMMUN-BLOT trademark portfolio
What trademarks does IMMUN-BLOT hold?
IMMUN-BLOT holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to BIO-RAD LABORATORIES, INC..
How many trademarks does IMMUN-BLOT have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to IMMUN-BLOT. The brand has been actively filing since August 1985. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does IMMUN-BLOT file most often?
IMMUN-BLOT's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the IMMUN-BLOT trademark?
The most recent filings under the IMMUN-BLOT mark are registered to BIO-RAD LABORATORIES, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is IMMUN-BLOT expanding into new categories?
The current WikiTrademarks Expansion Score for IMMUN-BLOT is 0 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 IMMUN-BLOT trademark filings?
Click the Watch Brand button at the top of this page to add IMMUN-BLOT 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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